ref: 415045a10f1152b4daa9ba1d271b3b5a86d93fe7 dir: /sys/src/libc/port/strcat.c/
#include <u.h> #include <libc.h> char* strcat(char *s1, char *s2) { strcpy(strchr(s1, 0), s2); return s1; }