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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 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 ferror()) on stdout. Example // Run this code #include <cstdio> int main() { for (char c = 'a'; c != 'z'; c++) std::putchar(c); std::putchar('\n'); // putchar return value is not equal to the argument int r = 0x1070; std::printf("\n0x%x\n", r); r = std::putchar(r); std::printf("\n0x%x\n", r); } Output: abcdefghijklmnopqrstuvwxy 0x1070 p 0x70 See also fputc writes a character to a file stream putc (function) http://cppreference.com 2022.07.31 std::putchar(3)
NAME | Synopsis | Parameters | Return value | Example | Output: | See also
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