For character data: %c for single characters and %s for strings.
#define __STDC_WANT_LIB_EXT1__ 1 #include <stdio.h> #include <limits.h> // For CHAR_MAX #include <ctype.h> // For isprint() int main(void) { int count = 0;//from w w w. j a v a2s . c o m printf_s("The printable characters are the following:\n"); // Iterate over all values of type char for (int code = 0; code <= CHAR_MAX; ++code) { char ch = (char)code; if (isprint(ch)) { if (count++ % 32 == 0) printf_s("\n"); printf_s(" %c", ch); } } printf_s("\n"); return 0; }