ref: 1fe3143e4c43ce2c74e0cfdd70b1bd556bbb9e1b
dir: /sys/src/libc/port/strchr.c/
#include <u.h> #include <libc.h> char* strchr(char *s, int c) { char c0 = c; char c1; if(c == 0) { while(*s++) ; return s-1; } while(c1 = *s++) if(c1 == c0) return s-1; return 0; }