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C语言函数大全(t开头)2010-01-29函数名: tell功能: 取文件指针的当前位置用法: long tell(int handle);程序例:#include
#include
#include
#include
int main(void)
{
int handle;
char msg[] = "Hello world";
if ((handle = open("TEST.$$$", O_CREAT | O_TEXT | O_APPEND)) == -1)
{
perror("Error:");
return 1;
}
write(handle, msg, strlen(msg));
printf("The file pointer is at byte %ld
", tell(handle));
close(handle);
return 0;
}
函数名: textattr功能: 设置文本属性用法: void textattr(int attribute);程序例:#include
int main(void)
{
int i;
clrscr();
for (i=0; i<9; i++)
{
textattr(i + ((i+1) << 4));
cprintf("This is a test
");
}
return 0;
}