用于嵌入式Linux系统的标准C的库函数

				@node Misc				@chapter Miscellaneous Macros and Functions				This chapter describes miscellaneous routines not covered elsewhere.								@menu 				* ffs::      Return first bit set in a word				* unctrl::   Return printable representation of a character				@end menu								@page				@include misc/ffs.def								@page				@include misc/unctrl.def