i_indx.c

来自「在Linxu程序设计当中」· C语言 代码 · 共 33 行

#include "f2c.h"
#ifdef __cplusplus
extern "C" {
#endif

#ifdef KR_headers
integer i_indx(a, b, la, lb) char *a, *b; ftnlen la, lb;
#else
integer i_indx(char *a, char *b, ftnlen la, ftnlen lb)
#endif
{
ftnlen 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);
}
#ifdef __cplusplus
}
#endif