NAME

get_char - prompts user for a line of text from stdin and returns the equivalent char

SYNOPSIS

#include <cs50.h>

char get_char(const char *format, ...);

DESCRIPTION

Prompts user for a line of text from standard input and returns the equivalent char; if text is not a single char, user is reprompted.

The prompt is formatted like printf(3).

RETURN VALUE

Returns char equivalent to the line read from stdin. If line can’t be read, returns CHAR_MAX.

EXAMPLE

int main(void)
{
    // attempt to read character from stdin
    char c = get_char("Enter char: ");

    // ensure character was read successfully
    if (c == CHAR_MAX)
    {
        return 1;
    }

    char next = get_char("You just entered %c. Enter another char: ", c);

    if (next == CHAR_MAX)
    {
        return 1;
    }

    printf("The last char you entered was %c\\n", next);

}

SEE ALSO

get_double(3), get_float(3), get_int(3), get_long(3), get_string(3), printf(3)