ref: 094fc8b15f98807833143e29f1f7d36a1ca4b28c
dir: /sys/src/cmd/cifs/misc.c/
#include <u.h> #include <libc.h> #include <ctype.h> char* strupr(char *s) { char *p; for(p = s; *p; p++) if(*p >= 0 && islower(*p)) *p = toupper(*p); return s; } char* strlwr(char *s) { char *p; for(p = s; *p; p++) if(*p >= 0 && isupper(*p)) *p = tolower(*p); return s; }