/********************************************************************* * RINDEX - returns a pointer to last occurrence of char in string. * * BYTE *rindex(s,c) * BYTE *s, c; * * Like 'index', only returns pointer to last c in s (instead of first), * or zero if c not in s. **********************************************************************/ #include BYTE *rindex(s,c) BYTE *s, c; { REG BYTE *t; for( t=s; *t; t++ ) /* look for eos. */ ; for( ; c != *t ; t-- ) /* look for c in s. */ if( t==s ) /* if we get to start of string,*/ return(0); /* too far. */ return(t); /* found c. note that 'rindex' */ /* works (ie. returns eos) */ /* if c==NULL. */ }