ref: e8426a55253be4343e137a973dfe17f23f5e965c dir: /sys/src/libc/port/strdup.c/
#include <u.h> #include <libc.h> char* strdup(char *s) { char *ns; ns = malloc(strlen(s) + 1); if(ns == 0) return 0; return strcpy(ns, s); }