Hi Lao, On 1/29/22 05:25, Lao Shaw wrote: > Under linux `man string` is ISO C at /usr/include/string.h, `man > string.h` is for Posix manpages. > > unlike `man stdio` for ISO C, in particular, `man string` does not > have APIs like `memcpy, memcmp` etc, which is in /usr/include/string.h > > What am I missing? Those pages, although similar to the posix header file manual pages, are not a header file manual page, but a manual page about a group of functions. There's 2 groups of functions in string.h(0p): those about character strings, and those about byte strings (i.e., raw memory, non-NUL-terminated). string(3) only documents the former. I think it would be good to add a man0 section to the Linux man-pages project (as done in the POSIX man-pages), and I started by writing sysexits.h(0), but that's likely to take a lot of time to have complete. There, I'd add a string.h(0), which would probably have two separate subsections, about memory functions, and about string functions. Thanks, Alex -- Alejandro Colomar Linux man-pages comaintainer; https://www.kernel.org/doc/man-pages/ http://www.alejandro-colomar.es/
