ack/lang/pc/libpc/string.c
2018-06-17 22:30:27 +02:00

69 lines
1.1 KiB
C

/* $Id$ */
/*
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
*
* This product is part of the Amsterdam Compiler Kit.
*
* Permission to use, sell, duplicate or disclose this software must be
* obtained in writing. Requests for such permissions may be sent to
*
* Dr. Andrew S. Tanenbaum
* Wiskundig Seminarium
* Vrije Universiteit
* Postbox 7161
* 1007 MC Amsterdam
* The Netherlands
*
*/
#include "pc.h"
/* function strbuf(var b:charbuf):string; */
char* strbuf(char* s)
{
return (s);
}
/* function strtobuf(s:string; var b:charbuf; blen:integer):integer; */
int strtobuf(char* s, char* b, int l)
{
int i;
i = 0;
while (--l >= 0)
{
if ((*b++ = *s++) == 0)
break;
i++;
}
return (i);
}
/* function strlen(s:string):integer; */
int strlen(char* s)
{
int i;
i = 0;
while (*s++)
i++;
return (i);
}
/* function strfetch(s:string; i:integer):char; */
int strfetch(char* s, int i)
{
return (s[i - 1]);
}
/* procedure strstore(s:string; i:integer; c:char); */
void strstore(char* s, int i, int c)
{
s[i - 1] = c;
}