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@shichao-an
Last active Aug 29, 2015
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#include <stdio.h>
int printf(const char *restrict format, ...);
int fprintf(FILE *restrict fp, const char *restrict format, ...);
int dprintf(int fd, const char *restrict format, ...);
/* All three return: number of characters output if OK, negative value if output error */
int sprintf(char *restrict buf, const char *restrict format, ...);
/* Returns: number of characters stored in array if OK, negative value if encoding error */
int snprintf(char *restrict buf, size_t n, const char *restrict format, ...);
/* 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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