std::putchar
From cppreference.com
Defined in header <cstdio> | ||
int putchar(int ch ); | ||
Writes a character ch to stdout. Internally, the character is converted to unsignedchar just before being written.
Equivalent to std::putc(ch, stdout).
Contents |
[edit]Parameters
| ch | - | character to be written |
[edit]Return value
On success, returns the written character.
On failure, returns EOF and sets the “error” indicator (see std::ferror()) on stdout.
[edit]Example
Run this code
#include <cstdio> int main(){for(char c ='a'; c !='z';++c) std::putchar(c); // putchar return value is not equal to the argumentint r =0x1024;std::printf("\nr = 0x%x\n", r); r = std::putchar(r);std::printf("\nr = 0x%x\n", r);}
Possible output:
abcdefghijklmnopqrstuvwxy r = 0x1024 $ r = 0x24
[edit]See also
| writes a character to a file stream (function) | |
C documentation for putchar | |
