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ATOL (3) | C library functions | Unix Manual Pages | :man

NAME

atol, atoll - convert ASCII string to
.Vt long or
.Vt "long long" integer

CONTENTS

Library
Synopsis
Description
Errors
See Also
Standards

LIBRARY


.Lb libc

SYNOPSIS


.In stdlib.h long atol "const char *nptr" "long long" atoll "const char *nptr"

DESCRIPTION

The atol function converts the initial portion of the string pointed to by nptr to
.Vt long integer representation.

It is equivalent to:

"strtol(nptr, (char **)NULL, 10);"

The atoll function converts the initial portion of the string pointed to by nptr to
.Vt "long long" integer representation.

It is equivalent to:

"strtoll(nptr, (char **)NULL, 10);"

ERRORS

The functions atol and atoll need not affect the value of errno on an error.

SEE ALSO

atof(3), atoi(3), strtod(3), strtol(3), strtoul(3)

STANDARDS


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