问题描述
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我需要知道如何使用getche()函数在C中编译程序,但是由于需要引用,所以没有编译。有人知道缺少什么参考吗?
即时通讯使用此命令:
gcc filename.c -o执行
解决方法
对于Linux和其他Unix平台,您可能希望使用ncurses而不是仅尝试模拟getch [e]。它是一个稍微复杂的API,但是它将为您处理各种陷阱,而Dan D.发布的简单模拟将不会。 (例如,如果用户键入^ C或^ Z,它将执行Right Thing。)
, 从http://wesley.vidiqatch.org/code-snippets/alternative-for-getch-and-getche-on-linux/
/*
getch() and getche() functionality for UNIX,based on termios (terminal handling functions)
This code snippet was written by Wesley Stessens (wesley@ubuntu.com)
It is released in the Public Domain.
*/
#include <termios.h>
#include <stdio.h>
static struct termios old,new;
/* Initialize new terminal i/o settings */
void initTermios(int echo) {
tcgetattr(0,&old); /* grab old terminal i/o settings */
new = old; /* make new settings same as old settings */
new.c_lflag &= ~ICANON; /* disable buffered i/o */
new.c_lflag &= echo ? ECHO : ~ECHO; /* set echo mode */
tcsetattr(0,TCSANOW,&new); /* use these new terminal i/o settings now */
}
/* Restore old terminal i/o settings */
void resetTermios(void) {
tcsetattr(0,&old);
}
/* Read 1 character - echo defines echo mode */
char getch_(int echo) {
char ch;
initTermios(echo);
ch = getchar();
resetTermios();
return ch;
}
/* Read 1 character without echo */
char getch(void) {
return getch_(0);
}
/* Read 1 character with echo */
char getche(void) {
return getch_(1);
}
/* Let\'s test it out */
int main(void) {
char c;
printf(\"(getche example) please type a letter: \");
c = getche();
printf(\"\\nYou typed: %c\\n\",c);
printf(\"(getch example) please type a letter...\");
c = getch();
printf(\"\\nYou typed: %c\\n\",c);
return 0;
}