Integer Constant Types

Defines macros for specifying integer literal values.

These macros are defined in file stdint.h. They accept a numeric literal value and convert the value to generate a numeric constant for the types defined in file stdint.h. These macros follow the same naming convention of these types. Use macros beginning with INT to specify signed integer constants and macros beginning with UINT to specify unsigned integer constants.

These macros are:

• Exact-width, minimum-width, and fastest-width integer constants - These macros take the form INTn_C( and UINTn_C(, where n represents the exact or minimum width of the integer type and x represents a numeric literal value.
• Maximum-width integer constants - These macros take the form INTMAX_C( and UINTMAX_C(, where x represents a numeric literal value.
  Listing: Example of integer constant usage

  
  #include <stdint.h>
  
  #include <inttypes.h>
  
  #include <stdio.h>
  
  int main(void)
  
  {
  
  uint32_t i = UINT32_C(371932);
  
  printf("%" PRId32 " %" PRIdMAX "\n", i, INTMAX_C(INTMAX_MAX));
  
  return 0;
  
  }