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atoi(3) - Unix First Edition Manual Page
11/3/71ATOI (III)

NAME atoi -- ascii to integer
SYNOPSIS jsr r5,atoi; subr
DESCRIPTION *atoi will convert an ascii stream to a binary number returnedin mq. The subroutine subr is called on r5 for each character

of the ascii stream. subr should return the character in r0.The first character not used in the conversion is left in r0.

FILES kept in /etc/liba.a
BUGS The subroutine subr should not disturb any registers.