GCC: (GNU) 4.2.3
.symtab .strtab .shstrtab .text .data .bss .reginfo .rel.pdr .mdebug.abi32 .text.fast_strtoul_10 .text.skip_fields .rodata.str1.4 .rel.text.read_cmdline .rel.text.clear_cache .rel.text.clear_username_cache .rel.text.read_to_buf .rel.text.free_procps_scan .rel.text.alloc_procps_scan .rel.text.procps_scan .rel.text.get_cached .rel.text.get_cached_groupname .rel.text.get_cached_username .bss.username .bss.groupname .comment
procps.c fast_strtoul_10 skip_fields clear_cache username groupname read_to_buf get_cached $LC0 $LC1 $LC2 $LC3 $LC4 $LC5 read_cmdline _gp_disp sprintf open_read_close snprintf free clear_username_cache open64 read close free_procps_scan closedir alloc_procps_scan xzalloc xopendir procps_scan bb_errno readdir64 bb_strtoul memset stat64 strcpy strrchr strchr safe_strncpy xstrdup xrealloc get_cached_groupname bb_getgrgid get_cached_username bb_getpwuid