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#include<stdio.h>
#include<stdlib.h>
struct linkstack
{
int data;
struct linkstack *next;
};
int initstack(linkstack * S)
{
S = (linkstack *)malloc(sizeof(linkstack));
if(S == NULL) return 0;
S->next = NULL;
return 1;
}
int main(int argc,char **argv)
{
linkstack S;
if(initstack(&S))
printf("initstack success!!!\n");
return 0;
}
½á¹û±àÒëºó¾Í³öÏÖÁËÕâЩ´íÎó
@-laptop:~/makeprog/stack$ gcc -g -o linkstack main.c
main.c:11: error: expected ‘)’ before ‘*’ token
main.c: In function ‘main’:
main.c:22: error: ‘linkstack’ undeclared (first use in this function)
main.c:22: error: (Each undeclared identifier is reported only once
main.c:22: error: for each function it appears in.)
main.c:22: error: expected ‘;’ before ‘S’
main.c:23: error: ‘S’ undeclared (first use in this function)
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typedef struct node
{
int data;
struct linkstack *next;
}linkstack;
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class AA {
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http://www.ddj.com/cpp/221600722
Q: HOW DO I... put timers with default actions in my C code?
A: Many times, we need to write programs that will only wait a certain specified amount of time for a user to do something. After that time, we need to assume that the user isn't going to do anything and ......