Function fgetc () in C

The function int fgetc (FILE * stream) in C Library standard takes the next character (an unsigned char) from the given Stream and increases the position indicator for that Stream.

Declare function fgetc () in C

Below is the declaration for fgetc () in C:

 int fgetc ( FILE * stream ) 

Parameters

stream - This is the pointer to a FILE object that identifies Stream on which the operation is performed.

Returns the value

This function returns the character read as an unsigned char that is cast to an int or EOF or an error.

For example

The following program C illustrates the usage of fgetc () in C:

 #include int main () { FILE * fp ; int c ; int n = 0 ; fp = fopen ( "baitapc.txt" , "r" ); if ( fp == NULL ) { perror ( "Xay ra loi khi mo baitapc.txt !!!" ); return (- 1 ); } do { c = fgetc ( fp ); if ( feof ( fp ) ) { break ; } printf ( "%c" , c ); } while ( 1 ); fclose ( fp ); return ( 0 ); } 

Suppose we have baitapc.txt with the following content. This file will be used as input for C program for example:

Function fgetc () in C Picture 1

Compiling and running the above C program will result:

Function fgetc () in C Picture 2

According to Tutorialspoint

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