The <stdint.h> header defines exact width integer types.
The <stdint.h> header shall define the following macro constants:
The <stdint.h> header shall define the following functions:
The <stdint.h> header shall define the following type:
Related topics:
<setdef.h> | <stdio.h> | <stdlib.h> | <stdnoreturn.h> | <string.h> | Standard Library in C
List of topics: C Programming
The <stdint.h> header shall define the following macro constants:
| INT8_MIN INT16_MIN INT32_MIN INT64_MIN | minimum value of an object of type int8_t, int16_t, int32_t, int64_t (C99) | |
| INT8_MAX INT16_MAX INT32_MAX INT64_MAX | maximum value of an object of type int8_t, int16_t, int32_t, int64_t(C99) | |
| UINT8_MAX UINT16_MAX UINT32_MAX UINT64_MAX | maximum value of an object of type uint8_t, uint16_t, uint32_t, uint64_t (C99) | |
| INT_FAST8_MIN INT_FAST16_MIN INT_FAST32_MIN INT_FAST64_MIN | minimum value of an object of type int_fast8_t, int_fast16_t, int_fast32_t, int_fast64_t (C99) | |
| INT_FAST8_MAX INT_FAST16_MAX INT_FAST32_MAX INT_FAST64_MAX | maximum value of an object of type int_fast8_t, int_fast16_t, int_fast32_t, int_fast64_t(C99) | |
| UINT_FAST8_MAX UINT_FAST16_MAX UINT_FAST32_MAX UINT_FAST64_MAX | maximum value of an object of type uint_fast8_t, uint_fast16_t, uint_fast32_t, uint_fast64_t (C99) | |
| INT_LEAST8_MIN INT_LEAST16_MIN INT_LEAST32_MIN INT_LEAST64_MIN | minimum value of an object of type int_least8_t, int_least16_t, int_least32_t, int_least64_t (C99) | |
| INT_LEAST8_MAX INT_LEAST16_MAX INT_LEAST32_MAX INT_LEAST64_MAX | maximum value of an object of type int_least8_t, int_least16_t, int_least32_t, int_least64_t(C99) | |
| UINT_LEAST8_MAX UINT_LEAST16_MAX UINT_LEAST32_MAX UINT_LEAST64_MAX | maximum value of an object of type uint_least8_t, uint_least16_t, uint_least32_t, uint_least64_t(C99) | |
| INTPTR_MIN | minimum value of an object of type intptr_t (C99) | |
| INTPTR_MAX | maximum value of an object of type intptr_t (C99) | |
| UINTPTR_MAX | maximum value of an object of type uintptr_t (C99) | |
| INTMAX_MIN | minimum value of an object of type intmax_t (C99) | |
| INTMAX_MAX | maximum value of an object of type intmax_t (C99) | |
| UINTMAX_MAX | maximum value of an object of type uintmax_t (C99) |
The <stdint.h> header shall define the following functions:
| INT8_C INT16_C INT32_C INT64_C | expands to an integer constant expression having the value specified by its argument and the type int_least8_t, int_least16_t, int_least32_t, int_least64_t respectively (function macro) (C99) |
| UINT8_C UINT16_C UINT32_C UINT64_C | expands to an integer constant expression having the value specified by its argument and the type uint_least8_t, uint_least16_t, uint_least32_t, uint_least64_t respectively (function macro) (C99) |
| INTMAX_C | expands to an integer constant expression having the value specified by its argument and the type intmax_t (function macro) (C99) |
| UINTMAX_C | expands to an integer constant expression having the value specified by its argument and the type uintmax_t (function macro) (C99) |
The <stdint.h> header shall define the following type:
| int8_t int16_t int32_t int64_t | signed integer type with width of exactly 8, 16, 32 and 64 bits respectively with no padding bits and using 2's complement for negative values (provided only if the implementation directly supports the type) (C99) |
| uint8_t uint16_t uint32_t uint64_t | unsigned integer type with width of exactly 8, 16, 32 and 64 bits respectively (provided only if the implementation directly supports the type) (C99) |
| int_fast8_t int_fast16_t int_fast32_t int_fast64_t | fastest signed integer type with width of at least 8, 16, 32 and 64 bits respectively (C99) |
| uint_fast8_t uint_fast16_t uint_fast32_t uint_fast64_t | fastest unsigned integer type with width of at least 8, 16, 32 and 64 bits respectively (C99) |
| int_least8_t int_least16_t int_least32_t int_least64_t | smallest signed integer type with width of at least 8, 16, 32 and 64 bits respectively (C99) |
| uint_least8_t uint_least16_t uint_least32_t uint_least64_t | smallest unsigned integer type with width of at least 8, 16, 32 and 64 bits respectively (C99) |
| intmax_t | maximum width integer type (C99) |
| uintmax_t | maximum width unsigned integer type (C99) |
| intptr_t | integer type capable of holding a pointer (C99) |
| uintptr_t | unsigned integer type capable of holding a pointer (C99) |
Related topics:
<setdef.h> | <stdio.h> | <stdlib.h> | <stdnoreturn.h> | <string.h> | Standard Library in C
List of topics: C Programming
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