std::fgetc, std::getc

< cpp‎ | io‎ | c
Defined in header <cstdio>
int fgetc( std::FILE* stream );
int getc( std::FILE* stream );

Reads the next character from the given input stream.


[edit] Parameters

stream - to read the character from

[edit] Return value

The obtained character on success or EOF on failure.

If the failure has been caused by end of file condition, additionally sets the eof indicator (see std::feof()) on stream. If the failure has been caused by some other error, sets the error indicator (see std::ferror()) on stream.

[edit] Example

#include <cstdio>
#include <cstdlib>
int main()
    FILE* fp = std::fopen("test.txt", "r");
    if(!fp) {
        std::perror("File opening failed");
        return EXIT_FAILURE;
    int c; // note: int, not char, required to handle EOF
    while ((c = std::fgetc(fp)) != EOF) { // standard C I/O file reading loop
    if (std::ferror(fp))
        std::puts("I/O error when reading");
    else if (std::feof(fp))
        std::puts("End of file reached successfully");

[edit] See also

(until C++14)
reads a character string from stdin
writes a character to a file stream
puts a character back into a file stream
C documentation for fgetc, getc