#include <string.h>#if __GNUC__ < 4#define restrict#endifchar *strcat(char *restrict dest, const char *restrict src){strcpy(dest + strlen(dest), src);return dest;}
#include <string.h>#if __GNUC__ < 4#define restrict#endifchar *strcat(char *restrict dest, const char *restrict src){strcpy(dest + strlen(dest), src);return dest;}