> For the complete documentation index, see [llms.txt](https://man.bsdcn.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://man.bsdcn.org/stdlib.md).

# stdlib

- [rand(3)](https://man.bsdcn.org/stdlib/rand.3.md)
- [bsearch(3)](https://man.bsdcn.org/stdlib/bsearch.3.md)
- [free\_sized(3)](https://man.bsdcn.org/stdlib/free_sized.3.md)
- [abort(3)](https://man.bsdcn.org/stdlib/abort.3.md)
- [atof(3)](https://man.bsdcn.org/stdlib/atof.3.md)
- [atoi(3)](https://man.bsdcn.org/stdlib/atoi.3.md)
- [atol(3)](https://man.bsdcn.org/stdlib/atol.3.md)
- [strtod(3)](https://man.bsdcn.org/stdlib/strtod.3.md)
- [strtoul(3)](https://man.bsdcn.org/stdlib/strtoul.3.md)
- [strtol(3)](https://man.bsdcn.org/stdlib/strtol.3.md)
- [a64l(3)](https://man.bsdcn.org/stdlib/a64l.3.md)
- [strfmon(3)](https://man.bsdcn.org/stdlib/strfmon.3.md)
- [insque(3)](https://man.bsdcn.org/stdlib/insque.3.md)
- [getenv(3)](https://man.bsdcn.org/stdlib/getenv.3.md)
- [quick\\\_exit(3)](https://man.bsdcn.org/stdlib/quick_exit.3.md)
- [memalignment(3)](https://man.bsdcn.org/stdlib/memalignment.3.md)
- [getopt\_long(3)](https://man.bsdcn.org/stdlib/getopt_long.3.md)
- [getopt(3)](https://man.bsdcn.org/stdlib/getopt.3.md)
- [getsubopt(3)](https://man.bsdcn.org/stdlib/getsubopt.3.md)
- [lsearch(3)](https://man.bsdcn.org/stdlib/lsearch.3.md)
- [hcreate(3)](https://man.bsdcn.org/stdlib/hcreate.3.md)
- [tsearch(3)](https://man.bsdcn.org/stdlib/tsearch.3.md)
- [memory(3)](https://man.bsdcn.org/stdlib/memory.3.md)
- [reallocarray(3)](https://man.bsdcn.org/stdlib/reallocarray.3.md)
- [reallocf(3)](https://man.bsdcn.org/stdlib/reallocf.3.md)
- [random(3)](https://man.bsdcn.org/stdlib/random.3.md)
- [system(3)](https://man.bsdcn.org/stdlib/system.3.md)
- [exit(3)](https://man.bsdcn.org/stdlib/exit.3.md)
- [ptsname(3)](https://man.bsdcn.org/stdlib/ptsname.3.md)
- [radixsort(3)](https://man.bsdcn.org/stdlib/radixsort.3.md)
- [atexit(3)](https://man.bsdcn.org/stdlib/atexit.3.md)
- [at\_quick\_exit(3)](https://man.bsdcn.org/stdlib/at_quick_exit.3.md)
- [strtonum(3)](https://man.bsdcn.org/stdlib/strtonum.3.md)
- [abs(3)](https://man.bsdcn.org/stdlib/abs.3.md)
- [div(3)](https://man.bsdcn.org/stdlib/div.3.md)
- [realpath(3)](https://man.bsdcn.org/stdlib/realpath.3.md)
- [set\_constraint\_handler\_s(3)](https://man.bsdcn.org/stdlib/set_constraint_handler_s.3.md)
- [qsort(3)](https://man.bsdcn.org/stdlib/qsort.3.md)