getc

getc Vs getchar Vs Scanf for reading a character from stdin

懵懂的女人 提交于 2019-11-27 12:24:47
Of the below three functions: getc getchar & scanf which is the best one for reading a character from stdin and why? Are there any known disadvantages or limitations for any of these functions which makes one better than the other? If you simply want to read a single character from stdin, then getchar() is the appropriate choice. If you have more complicated requirements, then getchar() won't be sufficient. getc() allows you to read from a different stream (say, one opened with fopen() ); scanf() allows you to read more than just a single character at a time. The most common error when using

getc Vs getchar Vs Scanf for reading a character from stdin

杀马特。学长 韩版系。学妹 提交于 2019-11-26 15:59:32
问题 Of the below three functions: getc getchar & scanf which is the best one for reading a character from stdin and why? Are there any known disadvantages or limitations for any of these functions which makes one better than the other? 回答1: If you simply want to read a single character from stdin, then getchar() is the appropriate choice. If you have more complicated requirements, then getchar() won't be sufficient. getc() allows you to read from a different stream (say, one opened with fopen() )

What is the equivalent to getch() & getche() in Linux?

淺唱寂寞╮ 提交于 2019-11-26 03:14:35
问题 I am not able to find the equivalent header file for conio.h in Linux. Is there any option for getch() & getche() function in Linux? I want to make a switch case base menu where the user will give his option just by pressing one key & process should be moved ahead. I don\'t want to let user to press ENTER after pressing his choice. 回答1: #include <termios.h> #include <stdio.h> static struct termios old, current; /* Initialize new terminal i/o settings */ void initTermios(int echo) { tcgetattr