The macros in following table expand to character string literals and can be used with
the printf family of functions when printing unsigned integer
values.
| Macro Name | Description | Value |
|---|---|---|
PRIo8 |
Octal placeholder string for an unsigned 8-bit integer type. | "o" |
PRIo16 |
Octal placeholder string for an unsigned 16-bit integer type. | "o" |
PRIo32 |
Octal placeholder string for an unsigned 32-bit integer type. | "lo" |
PRIo64 |
Octal placeholder string for an unsigned 64-bit integer type, where supported. | "llo" |
PRIu8 |
Unsigned placeholder string for an unsigned 8-bit integer type. | "u" |
PRIu16 |
Unsigned placeholder string for an unsigned 16-bit integer type. | "u" |
PRIu32 |
Unsigned placeholder string for an unsigned 32-bit integer type. | "lu" |
PRIu64 |
Unsigned placeholder string for an unsigned 64-bit integer type, where supported. | "llu" |
PRIx8/
PRIX8 |
Hexadecimal placeholder string for an unsigned 8-bit integer type. | "x"/"X" |
PRIx16/
PRIX16 |
Hexadecimal placeholder string for an unsigned 16-bit integer type. | "x"/"X" |
PRIx32/
PRIX32 |
Hexadecimal placeholder string for an unsigned 32-bit integer type. | "lx"/"X" |
PRIx64/
PRIX64 |
Hexadecimal placeholder string for an unsigned 64-bit integer type, where supported. | "llx"/"X" |
PRIoFAST8 |
Octal placeholder string for the fastest signed integer type with a width of at least 8. | "o" |
PRIoFAST16 |
Octal placeholder string for the fastest signed integer type with a width of at least 16. | "o" |
PRIoFAST32 |
Octal placeholder string for the fastest signed integer type with a width of at least 32. | "lo" |
PRIoFAST64 |
Octal placeholder string for the fastest signed integer type with a width of at least 64, where supported. | "llo" |
PRIuFAST8 |
Unsigned placeholder string for the fastest signed integer type with a width of at least 8 bits. | "u" |
PRIuFAST16 |
Unsigned placeholder string for the fastest signed integer type with a width of at least 16. | "u" |
PRIuFAST32 |
Unsigned placeholder string for the fastest signed integer type with a width of at least 32. | "lu" |
PRIuFAST64 |
Unsigned placeholder string for the fastest signed integer type with a width of at least 64, where supported. | "llu" |
PRIxFAST8/PRIXFAST8 |
Hexadecimal placeholder string for the fastest signed integer type with a width of at least 8. | "x"/"X" |
PRIxFAST16/PRIXFAST16 |
Hexadecimal placeholder string for the fastest signed integer type with a width of at least 16. | "x"/"X" |
PRIxFAST32/PRIXFAST32 |
Hexadecimal placeholder string for the fastest signed integer type with a width of at least 32. | "lx"/"lX" |
PRIxFAST64/PRIXFAST64 |
Octal placeholder string for the fastest signed integer type with a width of at least 64, where supported. | "llx"/"llX" |
PRIoLEAST8 |
Octal placeholder string for a signed integer type with a width of at least 8 bits. | "o" |
PRIoLEAST16 |
Octal placeholder string for a signed integer type with a width of at least 16 bits. | "o" |
PRIoLEAST32 |
Octal placeholder string for a signed integer type with a width of at least 32 bits. | "lo" |
PRIoLEAST64 |
Octal placeholder string for a signed integer type with a width of at least 64 bits, where supported. | "llo" |
PRIuLEAST8 |
Unsigned placeholder string for a signed integer type with a width of at least 8 bits. | "u" |
PRIuLEAST16 |
Unsigned placeholder string for a signed integer type with a width of at least 16 bits. | "u" |
PRIuLEAST32 |
Unsigned placeholder string for a signed integer type with a width of at least 32 bits. | "lu" |
PRIuLEAST64 |
Unsigned placeholder string for a signed integer type with a width of at least 64 bits, where supported. | "llu" |
PRIoMAX |
Octal placeholder string for a signed integer type with maximum width. | "llo"where 64-bit
integers are supported; "lo" otherwise |
PRIuMAX |
Unsigned placeholder string for a signed integer type with maximum width. | "llu"where 64-bit
integers are supported; "lu" otherwise |
PRIxMAX/PRIXMAX |
Hexadecimal placeholder string for a signed integer type with maximum width. | "llx"/"llX" where 64-bit integers
are supported; "lx"/"lX"
otherwise |
PRIoPTR |
Octal placeholder string for
uintptr_t. |
"lo" |
PRIuPTR |
Unsigned placeholder string for
uintptr_t. |
"lu" |
PRIxPTR/PRIXPTR |
Hexadecimal placeholder string for
uintptr_t. |
"lx"/"lX" |