| 1 | #ifndef lint |
| 2 | static char sccsid[] = "@(#)ts.c 4.2 %G%"; |
| 3 | #endif |
| 4 | |
| 5 | /* ts.c: minor string processing subroutines */ |
| 6 | match (s1, s2) |
| 7 | char *s1, *s2; |
| 8 | { |
| 9 | while (*s1 == *s2) |
| 10 | if (*s1++ == '\0') |
| 11 | return(1); |
| 12 | else |
| 13 | s2++; |
| 14 | return(0); |
| 15 | } |
| 16 | prefix(small, big) |
| 17 | char *small, *big; |
| 18 | { |
| 19 | int c; |
| 20 | while ((c= *small++) == *big++) |
| 21 | if (c==0) return(1); |
| 22 | return(c==0); |
| 23 | } |
| 24 | letter (ch) |
| 25 | { |
| 26 | if (ch >= 'a' && ch <= 'z') |
| 27 | return(1); |
| 28 | if (ch >= 'A' && ch <= 'Z') |
| 29 | return(1); |
| 30 | return(0); |
| 31 | } |
| 32 | numb(str) |
| 33 | char *str; |
| 34 | { |
| 35 | /* convert to integer */ |
| 36 | int k; |
| 37 | for (k=0; *str >= '0' && *str <= '9'; str++) |
| 38 | k = k*10 + *str - '0'; |
| 39 | return(k); |
| 40 | } |
| 41 | digit(x) |
| 42 | { |
| 43 | return(x>= '0' && x<= '9'); |
| 44 | } |
| 45 | max(a,b) |
| 46 | { |
| 47 | return( a>b ? a : b); |
| 48 | } |
| 49 | tcopy (s,t) |
| 50 | char *s, *t; |
| 51 | { |
| 52 | while (*s++ = *t++); |
| 53 | } |