-c extensions/libipt_string.c
extensions/libipt_string.c: In function `parse_string':
extensions/libipt_string.c:50: error: `BM_MAX_NLEN' undeclared (first use in this function)
extensions/libipt_string.c:50: error: (Each undeclared identifier is reported only once
extensions/libipt_string.c:50: error: for each function it appears in.)
extensions/libipt_string.c:50: error: structure has no member named `string'
extensions/libipt_string.c: In function `parse_hex_string':
extensions/libipt_string.c:95: error: structure has no member named `string'
extensions/libipt_string.c:117: error: structure has no member named `string'
extensions/libipt_string.c:123: error: structure has no member named `string'
extensions/libipt_string.c:126: error: `BM_MAX_NLEN' undeclared (first use in this function)
extensions/libipt_string.c:130: error: structure has no member named `len'
extensions/libipt_string.c: In function `parse':
extensions/libipt_string.c:154: error: structure has no member named `len'
extensions/libipt_string.c:154: error: structure has no member named `string'
extensions/libipt_string.c: In function `print':
extensions/libipt_string.c:240: error: structure has no member named `string'
extensions/libipt_string.c:240: error: structure has no member named `len'
extensions/libipt_string.c:242: error: structure has no member named `string'
extensions/libipt_string.c:242: error: structure has no member named `len'
extensions/libipt_string.c:245: error: structure has no member named `string'
extensions/libipt_string.c:245: error: structure has no member named `len'
extensions/libipt_string.c: In function `save':
extensions/libipt_string.c:257: error: structure has no member named `string'
extensions/libipt_string.c:257: error: structure has no member named `len'
extensions/libipt_string.c:259: error: structure has no member named `string'
extensions/libipt_string.c:259: error: structure has no member named `len'
extensions/libipt_string.c:262: error: structure has no member named `string'
extensions/libipt_string.c:262: error: structure has no member named `len'