1 /* 2 * sprintf.c 3 */ 4 5 #include <stdio.h> 6 #include <unistd.h> 7 sprintf(char * buffer,const char * format,...)8 int sprintf(char *buffer, const char *format, ...) 9 { 10 va_list ap; 11 int rv; 12 13 va_start(ap, format); 14 rv = vsnprintf(buffer, ~(size_t) 0, format, ap); 15 va_end(ap); 16 17 return rv; 18 } 19