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/* $Id: part_num_probe.c,v 1.1 1997/04/25 17:53:00 dps Exp $ */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif /* HAVE_CONFIG_H */
#ifdef HAVE_CTYPE_H
#include <ctype.h>
#endif /* HAVE_CTYPE_H */
/* Find part number and return it or -1 if no number */
int get_part_num(const char *st, const char *fence)
{
int n;
while (st<fence)
{
if (isspace(*st))
{
st++;
continue;
}
if (isdigit(*st))
{
n=0;
while (st<fence && isdigit(*st))
{
n=n*10+(*st)-'0';
st++;
}
if (!isspace(*st))
return -1;
else
return n;
}
if (isupper(*st) && isspace(*(st+1)))
return (*st)-'A'+1;
if (islower(*st) && isspace(*(st+1)))
return (*st)-'a'+1;
/* Nothing else understood at this time */
return -1;
}
return -1;
}
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