diff options
Diffstat (limited to 'battfmt.c')
-rw-r--r-- | battfmt.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/battfmt.c b/battfmt.c new file mode 100644 index 0000000..14e0832 --- /dev/null +++ b/battfmt.c @@ -0,0 +1,28 @@ +#include <u.h> +#include <libc.h> +#include <ctype.h> + +void +battfmt(char *buf, long buflen) +{ + char *s; + + for(s = buf; (s-buf) < buflen; s++) + if(!isdigit(*s)){ + for(;(s-buf) < buflen; s++) + *s = '\0'; + break; + } +} + +void +main(void) +{ + char str[] = "30 m"; + + battfmt(str, 4); + + print("%s\n", str); + + exits("done"); +} |