Ultrix-3.1/src/libF77/h_indx.c

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/**********************************************************************
 *   Copyright (c) Digital Equipment Corporation 1984, 1985, 1986.    *
 *   All Rights Reserved. 					      *
 *   Reference "/usr/src/COPYRIGHT" for applicable restrictions.      *
 **********************************************************************/

/*
 * SCCSID: @(#)h_indx.c	3.0	4/22/86
 */
short h_indx(a, b, la, lb)
char *a, *b;
long int la, lb;
{
int i, n;
char *s, *t, *bend;

n = la - lb + 1;
bend = b + lb;

for(i = 0 ; i < n ; ++i)
	{
	s = a + i;
	t = b;
	while(t < bend)
		if(*s++ != *t++)
			goto no;
	return(i+1);
	no: ;
	}
return(0);
}