代码: 全选
#include <stdio.h>
#include <stdlib.h>
#include "tri.h"
#include "hello.h"
int main()
{
tri();
hello();
}
代码: 全选
#define n 5
#define m 4
int tri()
{
long i, j, k;
for (i = 0; i < n; i++)
{
j = n - i;
for (k = 0; k < = j; k++)
printf(" ");
for (k = 0; k < 2*i+1; k++)
printf("*");
printf("\n");
}
for (i = m; i >0; i--)
{
j = m - i + 1;
for (k = 0; k < = j+1; k++)
printf(" ");
for (k = 0; k < = 2*(i-1); k++)
printf("*");
printf("\n");
}
return 0;
}
代码: 全选
void hello()
{
printf("hello world");
}
不能生成可执行文件
我用的是
$ gcc tri.c -o hello
In file included from tri.c:3:
tri.h: 在函数 ‘tri’ 中:
tri.h:9: 错误: expected expression before ‘=’ token
tri.h:18: 错误: expected expression before ‘=’ token
tri.h:20: 错误: expected expression before ‘=’ token