4.3BSD-Tahoe/usr/man/cat3/atoi.0

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ATOF(3)             UNIX Programmer's Manual		  ATOF(3)



NNAAMMEE
     atof, atoi, atol - convert ASCII to numbers

SSYYNNOOPPSSIISS
     ddoouubbllee aattooff((nnppttrr))
     cchhaarr **nnppttrr;;

     aattooii((nnppttrr))
     cchhaarr **nnppttrr;;

     lloonngg aattooll((nnppttrr))
     cchhaarr **nnppttrr;;

DDEESSCCRRIIPPTTIIOONN
     These functions convert a string pointed to by _n_p_t_r to
     floating, integer, and long integer representation respec-
     tively.  The first unrecognized character ends the string.

     _A_t_o_f recognizes an optional string of spaces, then an
     optional sign, then a string of digits optionally containing
     a decimal point, then an optional `e' or `E' followed by an
     optionally signed integer.

     _A_t_o_i and _a_t_o_l recognize an optional string of spaces, then
     an optional sign, then a string of digits.

SSEEEE AALLSSOO
     scanf(3S)

BBUUGGSS
     There are no provisions for overflow.
























Printed 7/9/88		  May 15, 1985				1