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/*
** strings.c -- Local strings routines.
*/
#include <stdio.h>
#include <strings.h>
#include <ctype.h>
#include "string_ext.h"
#ifdef NOSTRDUP
char *strdup(char *p)
{
char *q, *malloc (), *strcpy ();
if((q = malloc((unsigned) strlen (p) + 1)) == NULL) {
return NULL;
}
else {
return strcpy (q, p);
}
}
#endif
#ifdef NOSTRNCASECMP
int
strncasecmp (p, q, n)
char *p, *q;
int n;
{
int i;
char c, d;
for (i = 0; i < n; i++, p++, q++)
{
if (*p != *q)
{
if (isascii (c = *p) && isascii (d = *q))
{
if (tolower (c) != tolower (d))
{
return c - d;
}
}
else
{
return c - d;
}
}
}
return 0;
}
#endif
#ifdef NOSTRTOK
char *
strtok (input, seperators)
char *input, *seperators;
{
static char *at;
char *p, *q, *strchr ();
if (input != NULL)
{
at = input;
}
for (p = at; *p; p++)
{
if (strchr (seperators, *p) != NULL)
{
/* Found one. */
*p = '\0';
q = at;
at = p + 1;
return q;
}
}
if (p == at)
{
return NULL;
}
else
{
return at;
}
/*@NOTREACHED@ */
}
#endif
#ifdef NOSTRSTR
char *
strstr (string, substr)
char *string, *substr;
{
char *p, *strchr ();
for (p = strchr (string, *substr); p && *p; p++)
{
if (strncmp (p, substr, strlen (substr)) == 0)
{
return p;
}
}
return NULL;
}
#endif
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