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Search references for PRINTF. Phrases containing PRINTF
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C function to format and output text
printf is a C standard library function and is also a Linux terminal (shell) command that formats text and writes it to standard output. The function accepts
Printf
Shell command for formatting and outputting text; like printf() library function
printf is a shell command that formats and outputs text like the same-named C function. It is available in a variety of Unix and Unix-like systems. Some
Printf_(Unix)
GNU replacement for the Bourne shell
Group $ printf '<newline>: <%b>\n' $'\n' <newline>: < > $ printf '<tab>: <%b>\n' $'\t' <tab>: < > $ printf '<space>: <%s>\n' " " <space>: < > $ printf '<NUL>:
Bash_(Unix_shell)
Formatting to make code or markup easier to read
k){if(k<1||k>2){printf("out of range\n"); printf("this function requires a value of 1 or 2\n");}else{ printf("Switching\n");switch(k){case 1:printf("1\n");break;case
Pretty-printing
Fixing defects in an engineered system
into the source code. The latter is sometimes called printf debugging, due to the use of the printf function in C. This kind of debugging was turned on
Debugging
Computer bug exploit caused by invalid data
"Password1"; printf("Enter an integer\n"); scanf("%d", &int_in); printf("Please enter a string\n"); fgets(user_input, sizeof(user_input), stdin); printf(user_input);
Code_injection
Connected input and output streams for computer programs
System.out.printf("Number is: %d%n", number); // Read input for a name and age: Scanner input = new Scanner(System.in); System.out.printf("%nEnter name:
Standard_streams
Family of backward-compatible assembly languages
compiled ; against the C Standard Library extern printf ; declares the use of external symbol, as printf ; printf is declared in a different object-module. ;
X86_assembly_language
Keyword used in some programming languages to tag variables
be created on stack int a = 10; int b = 100; int c = 0; int d = 0; /* "printf" will be called with arguments "%d" and 110 (the compiler computes the sum
Volatile (computer programming)
Volatile_(computer_programming)
Data types supported by the C programming language
functionality of the types defined in the <stdint.h> header. It defines macros for printf format string and scanf format string specifiers corresponding to the types
C_data_types
Canadian electronic musician
including Salt, 7 sevens.med, Shitfuckers!, and his fourth studio album, printf("shiver in eternal darkness/n");. Funk then moved to using a PC sometime
Venetian_Snares
Topics referred to by the same term
%s may refer to: %s, in printf format string %s, in scanf format string %s, seconds in the strftime format string %s, used to check the Unix timestamp
%s
Method used for display options on video text terminals
such as with make ; flasher . flasher () { while true; do printf '\e[?5h'; sleep 0.1; printf '\e[?5l'; read -s -n1 -t1 && break; done; } The following
ANSI_escape_code
Control parameter used in programming languages
68. Input format strings are complementary to output format strings (see printf), which provide formatted output (templating). Mike Lesk's portable input/output
Scanf
General-purpose programming language
original version was: main() { printf("hello, world\n"); } A more modern version is: #include <stdio.h> int main(void) { printf("hello, world\n"); } The first
C_(programming_language)
Unix system call for querying file metadata
exit(EXIT_FAILURE); } printf("%s:\n", argv[i]); printf("\tinode: %u\n", sb.st_ino); printf("\tperms: %o\n", sb.st_mode & (S_IRWXU | S_IRWXG | S_IRWXO)); printf("\tlinks:
Stat_(system_call)
Operations transforming individual bits of integral data types
0; i--) { putchar(x & (1u << i) ? '1' : '0'); } printf("\n"); } int main( void ) { int j = 5225; printf("%d in binary \t\t ", j); showbits(j); /* the loop
Bitwise_operations_in_C
Tool of editors for programming, scripting, and markup
#include <stdio.h> int main() { printf("Hello World\n"); return 0; } // Hello World #include <stdio.h> int main() { printf("Hello World\n"); return 0; }
Syntax_highlighting
bash shell or printing IFS with commands like printf %s "$IFS" | od -c, printf "%q\n" "$IFS" or printf %s "$IFS" | cat -A (the latter two commands being
Input_Field_Separators
Graphical representation of a computer program or algorithm
print_within_parentheses(const char *p) { printf("("); // 1 if (p != NULL) { // 1 printf("%s", p); // 2 } // 2 printf(")"); // 3 } This function has three
Control-flow_graph
Loop transformation technique
(repeat--) { printf("process(%d)\n", i); printf("process(%d)\n", i + 1); printf("process(%d)\n", i + 2); printf("process(%d)\n", i + 3); printf("process(%d)\n"
Loop_unrolling
Software documentation on Unix systems
for reading printf(3C) is: man -s 3c printf On Linux and BSD derivatives the same invocation would be: man 3 printf which searches for printf in section
Man_page
Bottom-up parser that interprets an operator-precedence grammar
continue; case ')': printf("))))"); continue; case '^': printf(")^("); continue; case '*': printf("))*(("); continue; case '/': printf("))/(("); continue;
Operator-precedence_parser
Shell command for writing to standard output
and back to Normal ${NORMAL}" Portably with printf: BGRED=`printf '\33[41m'` NORMAL=`printf '\33[m'` printf '%s\n' "${BGRED}Text on red background${NORMAL}"
Echo_(command)
GNU internationalization and localization software
clutter, this function is commonly aliased to _: printf(gettext("My name is %s.\n"), my_name); printf(_("My name is %s.\n"), my_name); // same, but shorter
Gettext
Type of software vulnerability
string parameter in certain C functions that perform formatting, such as printf(). A malicious user may use the %s and %x format tokens, among others, to
Uncontrolled_format_string
Software debugger
in C: #include <stdio.h> int main(void) { char msg = "Hello, world!\n"; printf("%s", msg); return 0; } Using the clang compiler on macOS, the code above
LLDB_(debugger)
C/C++ programming idiom
value2; int value3; void variables() { printf("%s = %d\n", "value1", value1); printf("%s = %d\n", "value2", value2); printf("%s = %d\n", "value3", value3); }
X_macro
Form of text that defines C code
(num) { case 1: printf("Number is 1\n"); break case 2: printf("Number is 2\n"); break; case 3: printf("Number is 3\n"); break; default: printf("Number is not
C_syntax
Execution model which allows for parallel computing
NUM_THREADS; printf("Thread %d: Started.\n", index); printf("Thread %d: Will be sleeping for %d seconds.\n", index, sleep_time); sleep(sleep_time); printf("Thread
Pthreads
Traditional first example of a computer programming language
memorandum by Brian Kernighan, Programming in C: A Tutorial: main( ) { printf("hello, world"); } In the above example, the main( ) function defines where
Hello,_world
Printf-like function for the Linux kernel
printk is a printf-like function of the Linux kernel interface for formatting and writing kernel log entries. Since the C standard library (which contains
Printk
Header file for C programs
skipping first()'s call of printf(). #include <setjmp.h> #include <stdio.h> static jmp_buf buf; void second() { printf("second\n"); // prints longjmp(buf
Setjmp.h
Script written for an operating system shell
automatically: #!/bin/sh printf 'compiling...\n' cc -c foo.c cc -c bar.c cc -c qux.c cc -o myprog foo.o bar.o qux.o printf 'done.\n' The script would
Shell_script
Computer program or file valid in multiple programming languages or file formats
#define main() int main(void) #define printf printf( #define true ) #define function function main() { printf "Hello, world!\n"true/* 2> /dev/null |
Polyglot_(computing)
C library function for parsing command-line options
{ printf("digits occur in two different argv-elements.\n"); } digit_optind = this_option_optind; printf("option %c\n", c); break; case 'a': printf("option
Getopt
Base-16 numeric representation
represents the Esc control character) and to output an integer as hex via printf-like function, the format conversion code %X or %x is used In URIs (including
Hexadecimal
GNU implementation of the standard C library
APIs include such foundational facilities as open, read, write, malloc, printf, getaddrinfo, dlopen, pthread_create, crypt, login, exit and more. The glibc
Glibc
General-purpose, object-oriented programming language
[self integer]; for (i = 0; i < x; i++) { printf("*"); } printf("\n"); return self; } - (id) showint { printf("%d\n", [self integer]); return self; } @end
Objective-C
Finite state machine compiler
action dgt { printf("DGT: %c\n", fc); } action dec { printf("DEC: .\n"); } action exp { printf("EXP: %c\n", fc); } action exp_sign { printf("SGN: %c\n"
Ragel
Local search algorithm
{ printf("%s = [", pathName.c_str()); for (int i = 0; i < path.size(); i++) { if (i % 10 == 0) { printf("\n "); } if (i < path.size() - 1) { printf("[%
2-opt
System call to examine the status of file descriptors of open input/output channels
sizeof(master)); printf("running select()\n"); int nready; if (nready = select(maxfd + 1, &readfds, NULL, NULL, NULL) == -1) { die("select()"); } printf("Number
Select_(Unix)
Input/output functionality in the C programming language
fclose(fp); return EXIT_FAILURE; } fclose(fp); printf("The bytes read were: "); for (size_t i = 0; i < len; ++i) { printf("%02X ", (unsigned char)buffer[i]); }
C_file_input/output
Self-replicating program
for (int i = 0; i < l.length; i++) { // Print string array", " System.out.printf(\"%s%c%s%c,%n\", l[4], q, l[i], q);", " }", " for (int i = 5; i < l.length;
Quine_(computing)
Microsoft programming language
type fields Extensions to array slicing Type inference enhancements 4.0 Printf on unitized values Extension property initializers Non-null provided types
F Sharp (programming language)
F_Sharp_(programming_language)
Header file for C programs
ellipsis in place of the last parameter. An example of such a function is printf. Respectively, declarations and definitions are done similarly as such int
Stdarg.h
Concise notation for large or small numbers
to be decimal. This notation can be produced by implementations of the printf family of functions following the C99 specification and (Single Unix Specification)
Scientific_notation
Programmable text editor
hello.c with the following contents: int main(int argc, char **argv) { printf("Hello world!\n"); return 0; } ... one could use the following TECO session
TECO_(text_editor)
Family of programming languages
algol68 test: ( real a,b,c,d; # printf – sends output to the file stand out. # # printf($p$); – selects a new page # printf(($pg$,"Enter d:")); read(d);
ALGOL
External instruction to a computer program
conditional. For example, printing a message in Bash is via the command printf, while in Python it is via the function print(). Further, some aspects of
Command_(computing)
Memory map - POSIX-compliant system call
case 0: childpid = getpid(); printf("PID %d:\tanonymous %s, zero-backed %s\n", childpid, anon, zero); sleep(3); printf("PID %d:\tanonymous %s, zero-backed
Mmap
Foreign function interface for the Java language
stdlib = linker.defaultLookup(); MethodHandle printf = linker.downcallHandle( stdlib.findOrThrow("printf"), FunctionDescriptor.of(ValueLayout.JAVA_INT
Java_Native_Interface
Programming idiom
loop" without halting, in C: #include <stdio.h> int main() { for (;;) { printf("Infinite loop\n"); } return 0; } The form for (;;) for an infinite loop
Infinite_loop
Class of type systems
types of methods: # let y = object method get_x = 2 method set_x y = Printf.printf "%d\n" y end;; val y : < get_x : int; set_x : int -> unit > = <obj>
Structural_type_system
Command in Unix-like operating systems
i in {1..9999} ; do printf -- '%010d\t%s\t%s\t%s\n' "$((2*i*(i+1)+1))" "$i" "$((i+1))" ; done) <(for i in {1..9999} ; do printf -- '%010d\t%s\n' "$((i**2))"
Join_(Unix)
Synchronization method in parallel computing
pthread_mutex_destroy(&(bar->lock)); } void *thread_func([[maybe_unused]] void *p) { printf("Thread ID %ld is waiting at barrier, as insufficient (%d) threads are running
Barrier_(computer_science)
Type of data able to be returned by a function or method
return type of void is used in some programming languages: void sayHello() { printf("Hello, world!"); } A method returns to the code that invoked it when it
Return_type
General-purpose programming language
Python has a "string format" operator % that functions analogously to printf format strings in the C language—e.g. "spam=%s eggs=%d" % ("blah", 2) evaluates
Python_(programming_language)
Concept in software engineering
this.id); stmt.executeUpdate(); } } } catch (SQLException e) { System.err.printf("A SQLException occurred: %s%n", e.getMessage()); e.printStackTrace(); }
Active_record_pattern
Symbol for the fraction of a hundred
functions such as printf and scanf), the percent sign denotes parts of the template string that will be replaced with arguments. (See printf format string
Percent_sign
Programming statement for branching control based on a value
(age) { case 0: printf("You're newborn!"); break; case 1: printf("You're one."); break; case 2: printf("You're two."); break; case 3: printf("You're three
Switch_statement
Replacing placeholders in a string with values
concatenation, which requires repeat quoting and unquoting; or substituting into a printf format string, where the variable is far from where it is used. Consider
String_interpolation
Text processor used with C and C++ and other programming tools
'stdio.h' in which the function printf() and other symbols are declared. #include <stdio.h> int main(void) { printf("Hello, World!\n"); return 0; } In
C_preprocessor
1999 EP by Venetian Snares
Producer Aaron Funk Venetian Snares chronology Rorschach Stuffocate (1999) Greg Hates Car Culture (1999) printf<"shiver in eternal darkness/n">; (2000)
Greg_Hates_Car_Culture
Feature of programming languages
sub_task(__async__, void* arg) { int n = (int)(size_t)arg; for (int i = 0; i < 5; ++i) { printf("task %d, delay seconds = %d, i = %d\n", n, n, i); s_task_msleep(__await__
Async/await
if (c = 'x') return 0; switch (c) { case '\n': case '\r': printf("Newline\n"); default: printf("%c",c); } } return 0; } Splint's output: Variable c used
Splint_(programming_tool)
User-friendly interactive Unix shell
commandline". GitHub. Retrieved 9 April 2021. Nordal, Andreas (11 July 2013). "printf does not support \e". fish issues. Retrieved 24 March 2016. Official website
Fish_(Unix_shell)
Microsoft's core set of application programming interfaces on Windows
their first assignment. The working part of the program is only a single printf line within the main subroutine. The overhead for linking to the standard
Windows_API
Standard library for the C programming language
C functions are also made available in namespace std (e.g., C printf as C++ std::printf, atoi as std::atoi, feof as std::feof), by including header <chdrname>
C_standard_library
High-performance JSON processor for Java
class); System.out.printf("Read and parsed Person from JSON: %s%n", q); Person p = new Person(1, "Roger", "Rabbit"); System.out.printf("Person object %s
Jackson_(API)
Software metric used to measure the size of a computer program
ambiguity encountered when determining SLOC: for (int i = 0; i < 100; i++) printf("hello"); /* display one hundred greetings */ In this example we have: 1
Source_lines_of_code
Computer programming, a variable accessible throughout a computer program
file-scope variable. printf("%d\n", shared); changeShared(); printf("%d\n", shared); localShadow(); printf("%d\n", shared); paramShadow(1); printf("%d\n", shared);
Global_variable
Programming language evaluation rules
args) { Box a = new Box(1); Box b = new Box(2); swap(a, b); System.out.printf("a = %d, b = %d%n", a.value, b.value); // output: a = 2, b = 1 } } where
Evaluation_strategy
Unary operators that add or subtract one from their operand, respectively
<stdio.h> int main() { int c = 2; printf("%d\n", c++); // this statement displays 2, then c is incremented by 1 to 3. printf("%d", ++c); // this statement
Increment and decrement operators
Increment_and_decrement_operators
Collection of GNU utilities ported to Windows
mkdir mkfifo mknod mv mvdir nl od paste patch pathchk pclip pr printenv printf ptx pwd recode rm rman rmdir sdiff sed seq sh sha1sum shar sleep sort split
UnxUtils
Storage size operator in C and C++
type is four bytes long, the following code fragment prints 1,4: char c; printf("%zu,%zu\n", sizeof c, sizeof(int)); Certain standard header files, such
Sizeof
Sorting algorithm
bogoSort(input, size); printf("Sorted result:"); for (size_t i = 0; i < size; i++) { printf(" %d", input[i]); } printf("\n"); return 0; } An implementation
Bogosort
C programming language standard, current revision
appear in compound literal definition. Add %b binary conversion specifier to printf() function family. Add %b binary conversion specifier to scanf() function
C23_(C_standard_revision)
Ability of a process to examine and modify itself
(*Method)(void*); // The method: Foo::printHello void Foo_printHello(void* _) { printf("Hello, world!\n"); } // Simulated method table typedef struct { const char*
Reflective_programming
Programming language
get invoked) } } void callback_a() { stdout.printf("Callback A\n"); } void callback_b() { stdout.printf("Callback B\n"); } void main() { var foo = new
Vala_(programming_language)
How software progresses through its implementation
control jumps from line 1 to 4 if done is false. if (done) { printf("All done"); } else { printf("Still workin' on it"); } Many control commands have been
Control_flow
Function with variable number of arguments
variadic function in many languages is output formatting. The C function printf and the Common Lisp function format are two such examples. Both take one
Variadic_function
Delimited series of characters that represent a string in code
s[] = "hello, " "world"; printf("hello, " "world"); However, the following is invalid: char s[] = "hello, " + "world"; printf("hello, " + "world"); This
String_literal
Diagram that represents a workflow or process
Flow diagram a C-style for loop, representing the following code: for (i = 0; i < 5; i++) printf("*"); The loop will cause five asterisks to be printed.
Flowchart
C keyword for defining a structured data type
float gpa; }; // passing by value void print_student(struct Student s) { printf("Name: %s, ID: %d, in semester %d, with GPA: %.2f\n", s.name, s.id, s.semester
Struct (C programming language)
Struct_(C_programming_language)
Counting song
include <stdbool.h> int main(void) { for (size_t i = 99; i > 0; i--) { printf("%zu bottle%s of beer on the wall, %zu bottle%s of beer.\nTake one down
99_Bottles_of_Beer
Java library
CLibrary.class); void printf(String format, Object... args); } public static void main(String[] args) { CLibrary.INSTANCE.printf("Hello, World\n"); for
Java_Native_Access
Mandatory Paginate or columnate files for printing Version 1 AT&T UNIX printf Shell programming Mandatory Write formatted output 4.3BSD-Reno prs SCCS
List_of_POSIX_commands
Instruction for x86 microprocessors
m0[rip] mov esi, eax call printf xor eax, eax cpuid lea rdi, .m1[rip] mov esi, eax mov r12d, edx mov ebp, ecx call printf mov 3[rsp], ebx lea rsi, 3[rsp]
CPUID
Open standard for parallelizing
#include <stdio.h> #include <omp.h> int main(void) { #pragma omp parallel printf("Hello, world.\n"); return 0; } Use flag -fopenmp to compile using GCC:
OpenMP
Instructions a computer can execute
*student = student_new( "The Student" ); student->grade = grade_new( 'a' ); printf( "%s: Numeric grade = %d\n", /* Whereas a subset exists, inheritance does
Computer_program
Command line network statistics tool
machine. Some versions of netstat lack explicit field delimiters in their printf-generated output, leading to numeric fields running together and thus corrupting
Netstat
Free software
provides additional utilities (all prefixed with gmp), such as gmp_scanf, gmp_printf, etc. Here is an example of C code showing the use of the GMP library to
GNU Multiple Precision Arithmetic Library
GNU_Multiple_Precision_Arithmetic_Library
Text processing programming language
% 4 == 3 { printf "%6d %s\n", NR, $0 } The action statement prints each line numbered. The printf function emulates the standard C printf and works similarly
AWK
Microsoft's implementation of the shared library concept in Windows and OS/2
b); int main(int argc, char *argv[]) { double result = AddNumbers(1, 2); printf("The result was: %f\n", result); return 0; } The following examples show
Dynamic-link_library
Seemingly random, difficult to predict bit stream created by a deterministic algorithm
6) ^ (a >> 5)) & 1); a = ((a << 1) | newbit) & 0x7f; printf("%x\n", a); if (a == start) { printf("repetition period is %d\n", i); break; } } } In this
Pseudorandom_binary_sequence
Notation for ranges or parent directory
as: // prints "numbers 5 10 15" printf("numbers %i %i %i", 5, 10, 15); // prints "input string another string, 0.5" printf("input string %s, %f", "another
Ellipsis (computer programming)
Ellipsis_(computer_programming)
Programming language
(year_size -. float people) /. year_size *. prob in if prob < 0.5 then Printf.printf "answer = %d\n" (people+1) else birthday_paradox prob (people+1) ;;
OCaml
Common Lisp function that produces formatted text
among distinct commands in some other programming languages, such as C's printf for console output, sprintf for string formatting, and fprintf for file
Format_(Common_Lisp)
C programming language standard draft planned for release in 2029
hopefully encourage rewrites. As of N3353, there will be no changes to printf(), but WG14 would like to see a future paper that propose changes. Remove
C29_(C_standard_revision)
PRINTF
PRINTF
PRINTF
PRINTF
Boy/Male
Hindu
Mighty warrior (Cousin of Sugriva, who occupied Kiskindha and was killed by Rama)
Female
Greek
(ΤηθÏÏ‚) Greek name TETHYS means "grandmother; nurse." In mythology, this is the name of a Titaness and sea goddess, the daughter of Ouranos (Latin Uranus) and Gaia (Latin Gæa).
Biblical
forsaken
Boy/Male
Hindu, Indian, Marathi, Sindhi
One who Promises; One who Seeks the Right Direction
Girl/Female
Gujarati, Hindu, Indian, Kannada
Queen; Auspicious
Girl/Female
American, British, English, German
Bright Counselor
Girl/Female
Hindu, Indian
A Flag
Boy/Male
Indian, Sanskrit
Fire Tree; The Indian Redwood Tree
Surname or Lastname
English
English : variant spelling of Quincy.
Girl/Female
Hindu
PRINTF
PRINTF
PRINTF
PRINTF
PRINTF