ref: ac98922f44c3df8839f1bdd07f23fcccf27d0cba
dir: /sys/src/cmd/tbl/ts.c/
/* ts.c: minor string processing subroutines */ #include "t.h" int match (char *s1, char *s2) { while (*s1 == *s2) if (*s1++ == '\0') return(1); else s2++; return(0); } int prefix(char *small, char *big) { int c; while ((c = *small++) == *big++) if (c == 0) return(1); return(c == 0); } int letter (int ch) { if (ch >= 'a' && ch <= 'z') return(1); if (ch >= 'A' && ch <= 'Z') return(1); return(0); } int numb(char *str) { /* convert to integer */ int k; for (k = 0; *str >= '0' && *str <= '9'; str++) k = k * 10 + *str - '0'; return(k); } int digit(int x) { return(x >= '0' && x <= '9'); } int max(int a, int b) { return( a > b ? a : b); } void tcopy (char *s, char *t) { while (*s++ = *t++) ; }