преобразование форматированного вывода (formatted output conversion)
Синопсис (Synopsis)
#include <stdio.h>
int printf(const char *restrict
format, ...);
int fprintf(FILE *restrict
stream,
const char *restrict
format, ...);
int dprintf(int
fd,
const char *restrict
format, ...);
int sprintf(char *restrict
str,
const char *restrict
format, ...);
int snprintf(char *restrict
str, size_t
size,
const char *restrict
format, ...);
#include <stdarg.h>
int vprintf(const char *restrict
format, va_list
ap);
int vfprintf(FILE *restrict
stream,
const char *restrict
format, va_list
ap);
int vdprintf(int
fd,
const char *restrict
format, va_list
ap);
int vsprintf(char *restrict
str,
const char *restrict
format, va_list
ap);
int vsnprintf(char *restrict
str, size_t
size,
const char *restrict
format, va_list
ap);
Feature Test Macro Requirements for glibc (see
feature_test_macros(7)):
snprintf
(), vsnprintf
():
_XOPEN_SOURCE >= 500 || _ISOC99_SOURCE
|| /* Glibc <= 2.19: */ _BSD_SOURCE
dprintf
(), vdprintf
():
Since glibc 2.10:
_POSIX_C_SOURCE >= 200809L
Before glibc 2.10:
_GNU_SOURCE