pg_ascii_tolower pg_ascii_toupper pg_qsort pg_qsort_strcmp pg_strcasecmp pg_strncasecmp pg_tolower pg_toupper qsort qsort_arg qsort_arg_comparator

qsort_arg() void qsort_arg ( void *  base, size_t  nel, size_t  elsize, qsort_arg_comparator  cmp, void *  arg  )