Man

Command Section
ZIP_SOURCE_READ(3)     FreeBSD Library Functions Manual     ZIP_SOURCE_READ(3)

NAME
     zip_source_read - read data from zip source

LIBRARY
     libzip (-lzip)

SYNOPSIS
     #include <zip.h>

     zip_int64_t
     zip_source_read(zip_source_t *source, void *data, zip_uint64_t len);

DESCRIPTION
     The function zip_source_read() reads up to len bytes of data from source
     at the current read offset into the buffer data.

     The zip source source has to be opened for reading by calling
     zip_source_open(3) first.

RETURN VALUES
     Upon successful completion the number of bytes read is returned.  Upon
     reading end-of-file, zero is returned.  Otherwise, -1 is returned and the
     error information in source is set to indicate the error.

SEE ALSO
     libzip(3), zip_source(3), zip_source_seek(3), zip_source_tell(3),
     zip_source_write(3)

AUTHORS
     Dieter Baron <[email protected]> and Thomas Klausner <[email protected]>

FreeBSD 11.1-RELEASE-p4        December 16, 2016       FreeBSD 11.1-RELEASE-p4
Command Section