c语言函数大全

墙角野猫

函数名: vsscanf
功 能: 从流中执行格式化输入
用 法: int vsscanf(char *s, char *format, va_list param);
程序例:
#include
#include
#include
char buffer[80] = "30 90.0 abc";
int vssf(char *fmt, ...)
{
va_list argptr;
int cnt;
fflush(stdin);
va_start(argptr, fmt);
cnt = vsscanf(buffer, fmt, argptr);
va_end(argptr);
return(cnt);
}
int main(void)
{
int inumber;
float fnumber;
char string[80];
vssf("%d %f %s", &inumber, &fnumber, string);
printf("%d %f %s
", inumber, fnumber, string);
return 0;
}

墙角野猫

函数名: wherex
功 能: 返回窗口内水平光标位置
用 法: int wherex(void);
程序例:
#include
int main(void)
{
clrscr();
gotoxy(10,10);
cprintf("Current location is X: %d Y: %d\r
", wherex(), wherey());
getch();
return 0;
}

墙角野猫

函数名: wherey
功 能: 返回窗口内垂直光标位置
用 法: int wherey(void);
程序例:
#include
int main(void)
{
clrscr();
gotoxy(10,10);
cprintf("Current location is X: %d Y: %d\r
", wherex(), wherey());
getch();
return 0;
}

墙角野猫

函数名: window
功 能: 定义活动文本模式窗口
用 法: void window(int left, int top, int right, int bottom);
程序例:
#include
int main(void)
{
window(10,10,40,11);
textcolor(BLACK);
textbackground(WHITE);
cprintf("This is a test\r
");
return 0;
}

墙角野猫

函数名: write
功 能: 写到一文件中
用 法: int write(int handel, void *buf, int nbyte);
程序例:
#include
#include
#include
#include
#include
#include
int main(void)
{
int handle;
char string[40];
int length, res;
/*
Create a file named "TEST.$$$" in the current directory and write
a string to it. If "TEST.$$$" already exists, it will be overwritten.
*/
if ((handle = open("TEST.$$$", O_WRONLY | O_CREAT | O_TRUNC,
S_IREAD | S_IWRITE)) == -1)
{
printf("Error opening file.
");
exit(1);
}
strcpy(string, "Hello, world!
");
length = strlen(string);
if ((res = write(handle, string, length)) != length)
{
printf("Error writing to the file.
");
exit(1);
}
printf("Wrote %d bytes to the file.
", res);
close(handle);
return 0;
}
struct xfcb {
char xfcb_flag; /* Contains 0xff to indicate xfcb */
char xfcb_resv[5]; /* Reserved for DOS */
char xfcb_attr; /* Search attribute */
struct fcb xfcb_fcb; /* The standard fcb */
};

墙角野猫

终于完了,索引也做好了

天恨孤星

楼主辛苦了！！

bingzhu

楼主辛苦了！
不过再放一个打包了的，我觉得会更好！
我来补充一下好了！
下面是打包了的下载地址：
[url=http://sz.www.7880.com/download_1026/c_function.rar]c_function.rar[/url]
C函数.rar