home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
DP Tool Club 31
/
CDASC_31_1996_juillet_aout.iso
/
vrac
/
cscop122.zip
/
STACK.C
< prev
next >
Wrap
Text File
|
1996-05-01
|
471b
|
38 lines
#include <stdio.h>
#define MAXVAL 100
int sp = 0;
double val[MAXVAL], push(double f), pop(void);
void clear(void);
double push(double f)
{
if (sp < MAXVAL)
return(val[sp++] = f);
else
{ printf("error: stack full\n");
clear();
return(0);
}
}
double pop(void)
{
if (sp > 0)
return(val[--sp]);
else
{ printf("error: stack empty\n");
clear();
return(0);
}
}
void clear(void)
{
sp = 0;
}