header: sys/uio.h
standards:
  - posix
types:
  - type_name: struct_iovec
  - type_name: ssize_t
functions:
  - name: writev
    standards:
      - posix
    return_type: ssize_t
    arguments:
      - type: int
      - type: const struct iovec *
      - type: int
  - name: readv
    standards:
      - posix
    return_type: ssize_t
    arguments:
      - type: int
      - type: const struct iovec *
      - type: int