76 lines
1.8 KiB
C
76 lines
1.8 KiB
C
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/*
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* Copyright (c) 1989, 1990 by the University of Washington
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*
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* For copying and distribution information, please see the file
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* <uw-copyright.h>.
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*/
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#include <uw-copyright.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#define toupper(x) (islower(x) ? (x & 0xdf) : x)
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/*
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* strccmp - Compare two strings ignoring case
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*
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* STRCCMP compare two strings ignoring case. It
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* returns 0 if the strings are equal, negative is
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* string 1 is less than string 2, and positive
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* if string 1 is greater than string 2.
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* ARGS: s1 - first string
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* s2 - second string
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*
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* RETURNS: +,- or 0 depending on comparison
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*/
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int
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strccmp(s1,s2)
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char *s1; /* First String */
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char *s2; /* Second String */
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{
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int tmp;
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while ((*s1 != '\0') && (*s2 != '\0')) {
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tmp = toupper(*s1) - toupper(*s2);
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if(tmp) return (tmp);
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s1++; s2++;
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}
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return(toupper(*s1) - toupper(*s2));
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}
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/*
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* strcncmp - Compare two strings ignoring case and stoping after n chars
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*
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* STRCCMP compare two strings ignoring case. It
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* returns 0 if the strings are equal, negative is
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* string 1 is less than string 2, and positive
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* if string 1 is greater than string 2.
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* ARGS: s1 - first string
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* s2 - second string
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* n - number of characters to check
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*
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* RETURNS: +,- or 0 depending on comparison
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*/
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int
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strcncmp(s1,s2,n)
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char *s1; /* First String */
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char *s2; /* Second String */
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int n; /* Number of chars */
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{
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int tmp;
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while ((n-- > 0) && (*s1 != '\0') && (*s2 != '\0')) {
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tmp = toupper(*s1) - toupper(*s2);
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if(tmp) return (tmp);
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s1++; s2++;
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}
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if(n >= 0) return(toupper(*s1) - toupper(*s2));
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return(0);
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}
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