.TH "stdint.h" 3 "24 Jun 2019" "Version 2.0.0" "avr-libc" \" -*- nroff -*- .ad l .nh .SH NAME stdint.h \- .SH SYNOPSIS .br .PP .SS "Defines" .PP .RI "\fBLimits of specified-width integer types\fP" .br C++ implementations should define these macros only when __STDC_LIMIT_MACROS is defined before <\fBstdint.h\fP> is included .PP .in +1c .in +1c .ti -1c .RI "#define \fBINT8_MAX\fP 0x7f" .br .ti -1c .RI "#define \fBINT8_MIN\fP (-INT8_MAX - 1)" .br .ti -1c .RI "#define \fBUINT8_MAX\fP (INT8_MAX * 2 + 1)" .br .ti -1c .RI "#define \fBINT16_MAX\fP 0x7fff" .br .ti -1c .RI "#define \fBINT16_MIN\fP (-INT16_MAX - 1)" .br .ti -1c .RI "#define \fBUINT16_MAX\fP (__CONCAT(INT16_MAX, U) * 2U + 1U)" .br .ti -1c .RI "#define \fBINT32_MAX\fP 0x7fffffffL" .br .ti -1c .RI "#define \fBINT32_MIN\fP (-INT32_MAX - 1L)" .br .ti -1c .RI "#define \fBUINT32_MAX\fP (__CONCAT(INT32_MAX, U) * 2UL + 1UL)" .br .ti -1c .RI "#define \fBINT64_MAX\fP 0x7fffffffffffffffLL" .br .ti -1c .RI "#define \fBINT64_MIN\fP (-INT64_MAX - 1LL)" .br .ti -1c .RI "#define \fBUINT64_MAX\fP (__CONCAT(INT64_MAX, U) * 2ULL + 1ULL)" .br .in -1c .in -1c .PP .RI "\fBLimits of minimum-width integer types\fP" .br .PP .in +1c .in +1c .ti -1c .RI "#define \fBINT_LEAST8_MAX\fP INT8_MAX" .br .ti -1c .RI "#define \fBINT_LEAST8_MIN\fP INT8_MIN" .br .ti -1c .RI "#define \fBUINT_LEAST8_MAX\fP UINT8_MAX" .br .ti -1c .RI "#define \fBINT_LEAST16_MAX\fP INT16_MAX" .br .ti -1c .RI "#define \fBINT_LEAST16_MIN\fP INT16_MIN" .br .ti -1c .RI "#define \fBUINT_LEAST16_MAX\fP UINT16_MAX" .br .ti -1c .RI "#define \fBINT_LEAST32_MAX\fP INT32_MAX" .br .ti -1c .RI "#define \fBINT_LEAST32_MIN\fP INT32_MIN" .br .ti -1c .RI "#define \fBUINT_LEAST32_MAX\fP UINT32_MAX" .br .ti -1c .RI "#define \fBINT_LEAST64_MAX\fP INT64_MAX" .br .ti -1c .RI "#define \fBINT_LEAST64_MIN\fP INT64_MIN" .br .ti -1c .RI "#define \fBUINT_LEAST64_MAX\fP UINT64_MAX" .br .in -1c .in -1c .PP .RI "\fBLimits of fastest minimum-width integer types\fP" .br .PP .in +1c .in +1c .ti -1c .RI "#define \fBINT_FAST8_MAX\fP INT8_MAX" .br .ti -1c .RI "#define \fBINT_FAST8_MIN\fP INT8_MIN" .br .ti -1c .RI "#define \fBUINT_FAST8_MAX\fP UINT8_MAX" .br .ti -1c .RI "#define \fBINT_FAST16_MAX\fP INT16_MAX" .br .ti -1c .RI "#define \fBINT_FAST16_MIN\fP INT16_MIN" .br .ti -1c .RI "#define \fBUINT_FAST16_MAX\fP UINT16_MAX" .br .ti -1c .RI "#define \fBINT_FAST32_MAX\fP INT32_MAX" .br .ti -1c .RI "#define \fBINT_FAST32_MIN\fP INT32_MIN" .br .ti -1c .RI "#define \fBUINT_FAST32_MAX\fP UINT32_MAX" .br .ti -1c .RI "#define \fBINT_FAST64_MAX\fP INT64_MAX" .br .ti -1c .RI "#define \fBINT_FAST64_MIN\fP INT64_MIN" .br .ti -1c .RI "#define \fBUINT_FAST64_MAX\fP UINT64_MAX" .br .in -1c .in -1c .PP .RI "\fBLimits of integer types capable of holding object pointers\fP" .br .PP .in +1c .in +1c .ti -1c .RI "#define \fBINTPTR_MAX\fP INT16_MAX" .br .ti -1c .RI "#define \fBINTPTR_MIN\fP INT16_MIN" .br .ti -1c .RI "#define \fBUINTPTR_MAX\fP UINT16_MAX" .br .in -1c .in -1c .PP .RI "\fBLimits of greatest-width integer types\fP" .br .PP .in +1c .in +1c .ti -1c .RI "#define \fBINTMAX_MAX\fP INT64_MAX" .br .ti -1c .RI "#define \fBINTMAX_MIN\fP INT64_MIN" .br .ti -1c .RI "#define \fBUINTMAX_MAX\fP UINT64_MAX" .br .in -1c .in -1c .PP .RI "\fBLimits of other integer types\fP" .br C++ implementations should define these macros only when __STDC_LIMIT_MACROS is defined before <\fBstdint.h\fP> is included .PP .in +1c .in +1c .ti -1c .RI "#define \fBPTRDIFF_MAX\fP INT16_MAX" .br .ti -1c .RI "#define \fBPTRDIFF_MIN\fP INT16_MIN" .br .ti -1c .RI "#define \fBSIG_ATOMIC_MAX\fP INT8_MAX" .br .ti -1c .RI "#define \fBSIG_ATOMIC_MIN\fP INT8_MIN" .br .ti -1c .RI "#define \fBSIZE_MAX\fP UINT16_MAX" .br .ti -1c .RI "#define \fBWCHAR_MAX\fP __WCHAR_MAX__" .br .ti -1c .RI "#define \fBWCHAR_MIN\fP __WCHAR_MIN__" .br .ti -1c .RI "#define \fBWINT_MAX\fP __WINT_MAX__" .br .ti -1c .RI "#define \fBWINT_MIN\fP __WINT_MIN__" .br .in -1c .in -1c .PP .RI "\fBMacros for integer constants\fP" .br C++ implementations should define these macros only when __STDC_CONSTANT_MACROS is defined before <\fBstdint.h\fP> is included. .PP These definitions are valid for integer constants without suffix and for macros defined as integer constant without suffix .PP .in +1c .in +1c .ti -1c .RI "#define \fBINT8_C\fP(value) ((\fBint8_t\fP) value)" .br .ti -1c .RI "#define \fBUINT8_C\fP(value) ((\fBuint8_t\fP) __CONCAT(value, U))" .br .ti -1c .RI "#define \fBINT16_C\fP(value) value" .br .ti -1c .RI "#define \fBUINT16_C\fP(value) __CONCAT(value, U)" .br .ti -1c .RI "#define \fBINT32_C\fP(value) __CONCAT(value, L)" .br .ti -1c .RI "#define \fBUINT32_C\fP(value) __CONCAT(value, UL)" .br .ti -1c .RI "#define \fBINT64_C\fP(value) __CONCAT(value, LL)" .br .ti -1c .RI "#define \fBUINT64_C\fP(value) __CONCAT(value, ULL)" .br .ti -1c .RI "#define \fBINTMAX_C\fP(value) __CONCAT(value, LL)" .br .ti -1c .RI "#define \fBUINTMAX_C\fP(value) __CONCAT(value, ULL)" .br .in -1c .in -1c .SS "Typedefs" .PP .RI "\fBExact-width integer types\fP" .br Integer types having exactly the specified width .PP .in +1c .in +1c .ti -1c .RI "typedef signed char \fBint8_t\fP" .br .ti -1c .RI "typedef unsigned char \fBuint8_t\fP" .br .ti -1c .RI "typedef signed int \fBint16_t\fP" .br .ti -1c .RI "typedef unsigned int \fBuint16_t\fP" .br .ti -1c .RI "typedef signed long int \fBint32_t\fP" .br .ti -1c .RI "typedef unsigned long int \fBuint32_t\fP" .br .ti -1c .RI "typedef signed long long int \fBint64_t\fP" .br .ti -1c .RI "typedef unsigned long long int \fBuint64_t\fP" .br .in -1c .in -1c .PP .RI "\fBInteger types capable of holding object pointers\fP" .br These allow you to declare variables of the same size as a pointer. .PP .in +1c .in +1c .ti -1c .RI "typedef \fBint16_t\fP \fBintptr_t\fP" .br .ti -1c .RI "typedef \fBuint16_t\fP \fBuintptr_t\fP" .br .in -1c .in -1c .PP .RI "\fBMinimum-width integer types\fP" .br Integer types having at least the specified width .PP .in +1c .in +1c .ti -1c .RI "typedef \fBint8_t\fP \fBint_least8_t\fP" .br .ti -1c .RI "typedef \fBuint8_t\fP \fBuint_least8_t\fP" .br .ti -1c .RI "typedef \fBint16_t\fP \fBint_least16_t\fP" .br .ti -1c .RI "typedef \fBuint16_t\fP \fBuint_least16_t\fP" .br .ti -1c .RI "typedef \fBint32_t\fP \fBint_least32_t\fP" .br .ti -1c .RI "typedef \fBuint32_t\fP \fBuint_least32_t\fP" .br .ti -1c .RI "typedef \fBint64_t\fP \fBint_least64_t\fP" .br .ti -1c .RI "typedef \fBuint64_t\fP \fBuint_least64_t\fP" .br .in -1c .in -1c .PP .RI "\fBFastest minimum-width integer types\fP" .br Integer types being usually fastest having at least the specified width .PP .in +1c .in +1c .ti -1c .RI "typedef \fBint8_t\fP \fBint_fast8_t\fP" .br .ti -1c .RI "typedef \fBuint8_t\fP \fBuint_fast8_t\fP" .br .ti -1c .RI "typedef \fBint16_t\fP \fBint_fast16_t\fP" .br .ti -1c .RI "typedef \fBuint16_t\fP \fBuint_fast16_t\fP" .br .ti -1c .RI "typedef \fBint32_t\fP \fBint_fast32_t\fP" .br .ti -1c .RI "typedef \fBuint32_t\fP \fBuint_fast32_t\fP" .br .ti -1c .RI "typedef \fBint64_t\fP \fBint_fast64_t\fP" .br .ti -1c .RI "typedef \fBuint64_t\fP \fBuint_fast64_t\fP" .br .in -1c .in -1c .PP .RI "\fBGreatest-width integer types\fP" .br Types designating integer data capable of representing any value of any integer type in the corresponding signed or unsigned category .PP .in +1c .in +1c .ti -1c .RI "typedef \fBint64_t\fP \fBintmax_t\fP" .br .ti -1c .RI "typedef \fBuint64_t\fP \fBuintmax_t\fP" .br .in -1c .in -1c .SH "Detailed Description" .PP .SH "Author" .PP Generated automatically by Doxygen for avr-libc from the source code.