30     int errno

    30     int errno

    31     

    31     

    32 cdef extern from "string.h" :

    32 cdef extern from "string.h" :

    33     void* memcpy (void *dest, void *src, size_t n)

    33     void* memcpy (void *dest, void *src, size_t n)

    34     void* memset (void *s, int c, size_t n)

    34     void* memset (void *s, int c, size_t n)

    35 

    36 

    36     char* strerror (int errno)

    37     char* strerror (int errno)

    37 

    38 

    38 cdef extern from "unistd.h" :

    39 cdef extern from "unistd.h" :

    39     ssize_t read (int fd, void *buf, size_t count)

    40     ssize_t read (int fd, void *buf, size_t count)