ref: 38d3a8a38b0cd7b2b4c159c1fb68c3c0622f00c0 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; }