P

PARALLEL 环境变量

PEC：可移植的可执行代码xpec[={yes|no}]

Pentiumx86 上的 -xtarget 扩展

POSIX 线程-mt[={yes|no}]

postopt（C 编译器）C 编译系统的组件

pragma

使用 Pragma 以便更好地控制

Pragma

#pragma alias#pragma alias (type, type [, type]…)

#pragma alias_level#pragma alias_level level (list)

#pragma align对齐

#pragma c99c99

#pragma does_not_read_global_datadoes_not_read_global_data

#pragma does_not_returndoes_not_return

#pragma does_not_write_global_datadoes_not_write_global_data

#pragma dumpmacrosdumpmacros

#pragma end_dumpmacrosend_dumpmacros

#pragma error_messageserror_messages

#pragma finifini

#pragma hdrstophdrstop

#pragma identident

#pragma initinit

#pragma inlineinline

#pragma int_to_unsignedint_to_unsigned

#pragma may_not_point_to#pragma may_not_point_to (pointer, variable [, variable]…)

#pragma may_point_to#pragma may_point_to (pointer, variable [, variable]…)

#pragma must_have_framemust_have_frame

#pragma no_inlineinline

#pragma no_side_effect

opt

no_side_effect

#pragma noalias

#pragma noalias (pointer, pointer [, pointer]…)

#pragma noalias (type, type [, type]…)

#pragma nomemorydependnomemorydepend

#pragma optopt

#pragma packpack

#pragma pipelooppipeloop

#pragma rarely_calledrarely_called

#pragma redefine_extnameredefine_extname

#pragma returns_new_memoryreturns_new_memory

#pragma unknown_control_flowunknown_control_flow

#pragma unrollunroll

#pragma warn_missing_parameter_infowarn_missing_parameter_info

#pragma weakweak

printf 函数库函数 (J.3.12)