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shichao-an/apue_vprintf.h

Last active Aug 29, 2015
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#include <stdarg.h>
#include <stdio.h>
int vprintf(const char *restrict format, va_list arg);
int vfprintf(FILE *restrict fp, const char *restrict format,
va_list arg);
int vdprintf(int fd, const char *restrict format, va_list arg);
/* All three return: number of characters output if OK, negative value if output error */
int vsprintf(char *restrict buf, const char *restrict format, va_list arg);
/* Returns: number of characters stored in array if OK, negative value if encoding error */
int vsnprintf(char *restrict buf, size_t n,
const char *restrict format, va_list arg);
/* Returns: number of characters that would have been stored in array if buffer was
large enough, negative value if encoding error */
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