1 #include <stdarg.h> 2 #include <stdio.h> 3 snprintf(char * restrict s,size_t n,const char * restrict fmt,...)4int snprintf(char* restrict s, size_t n, const char* restrict fmt, ...) { 5 int ret; 6 va_list ap; 7 va_start(ap, fmt); 8 ret = vsnprintf(s, n, fmt, ap); 9 va_end(ap); 10 return ret; 11 } 12