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std::putchar(3) C++ Standard Libary std::putchar(3) NAME std::putchar - std::putchar Synopsis Defined in header <cstdio> int putchar( int ch ); Writes a character ch to stdout. Internally, the character is con- verted to unsigned char just before being written. Equivalent to std::putc(ch, stdout). Parameters ch - character to be written Return value On success, returns the written character. On failure, returns EOF and sets the error indicator (see std::fer- ror()) on stdout. 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 See also fputc writes a character to a file stream putc (function) C documentation for putchar http://cppreference.com 2024.06.10 std::putchar(3)
NAME | Synopsis | Parameters | Return value | Example | Possible output: | See also
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