ref: 3d7c45ed0c479a8392bd4e7c22233bc6635c6d70 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; }