librock_astrensure - (re)allocate space to store a NUL terminated string

librock_counttochn - count consecutive characters up to but not including n'th ch or \0

librock_counttoch - count consecutive characters up to but not including next ch or \0

librock_counttoeol - count consecutive characters up to (but not including) next \0 \n or \r

librock_countln - count consecutive characters up to and including next \0 \n

librock_countbl - counts consecutive blank characters (ASCII TAB or ' ')

librock_counttowh - count consecutive non-blank characters

librock_afgettoch - accumulate from FILE * into realloc'ed buffer until reach EOF or a specified character

librock_afgets - read line of unlimited length from FILE *

librock_astrcat - (re)allocate a destination buffer and concatenate a NUL terminated string.

librock_astrcpy - (re)allocate a destination buffer and copy a NUL terminated string.

librock_countCid - count consecutive characters in a C language identifier ([A-Za-z_][A-Za-z0-9_]*)

librock_vastrprintf - printf into an allocated string.