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STRDELCH.C
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C/C++ Source or Header
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1997-07-05
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2KB
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70 lines
/* +++Date last modified: 05-Jul-1997 */
/*
** STRDELCH.C - Removes specified character(s) from a string
**
** public domain demo by Bob Stout
**
** NOTE: The name of this funtion violates ANSI/ISO 9899:1990 sec. 7.1.3,
** but this violation seems preferable to either violating sec. 7.13.8
** or coming up with some hideous mixed-case or underscore infested
** naming. Also, many SNIPPETS str---() functions duplicate existing
** functions which are supported by various vendors, so the naming
** violation may be required for portability.
*/
#include <stdio.h>
#include <string.h>
#include "snip_str.h"
#if defined(__cplusplus) && __cplusplus
extern "C" {
#endif
char *strdelch(char *string, const char *lose)
{
if (!string || !*string)
return NULL;
if (lose)
{
char *s;
for (s = string; *s; ++s)
{
if (strchr(lose, *s))
{
strMove(s, s + 1);
--s;
}
}
}
return string;
}
#if defined(__cplusplus) && __cplusplus
}
#endif
#ifdef TEST
main(int argc, char *argv[])
{
char *strng, *delstrng;
if (3 > argc--)
{
puts("Usage: STRDELCH char(s)_to_delete string_1 [...string_N]");
return -1;
}
else delstrng = *(++argv);
while (--argc)
{
strng = *(++argv);
printf("strdelch(\"%s\", \"%s\") => ", delstrng, strng);
printf("\"%s\"\n", strdelch(strng, delstrng));
}
return 0;
}
#endif /* TEST */