std::putchar
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Defined in header
<cstdio>
int putchar( int ch );
Writes a character ch to stdout . Internally, the character is converted to unsigned char 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 argument int 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
C documentation for putchar