20 			     const uint8_t *src, uint16_t src_len)  in buf_append()  argument
22 	if (!dst || !src) {  in buf_append()
30 	memcpy(dst + *dst_len, src, src_len);  in buf_append()
37 			     uint16_t offset, uint8_t *src, uint16_t src_len)  in buf_insert()  argument
39 	if (!dst || !src) {  in buf_insert()
51 	memcpy(dst + offset, src, src_len);  in buf_insert()
57 static inline int buf_read(uint8_t *dst, uint16_t len, uint8_t *src, uint16_t src_len,  in buf_read()  argument
60 	if (!src) {  in buf_read()
70 		memcpy(dst, src + *offset, len);  in buf_read()
77 static inline int buf_skip(uint16_t len, uint8_t *src, uint16_t src_len, uint16_t *offset)  in buf_skip()  argument
79 	return buf_read(NULL, len, src, src_len, offset);  in buf_skip()
82 static inline int buf_read_u8(uint8_t *value, uint8_t *src, uint16_t src_len,  in buf_read_u8()  argument
85 	return buf_read(value, sizeof(uint8_t), src, src_len, offset);  in buf_read_u8()
88 static inline int buf_read_u16(uint16_t *value, uint8_t *src, uint16_t src_len,  in buf_read_u16()  argument
91 	return buf_read((uint8_t *)value, sizeof(uint16_t), src, src_len, offset);  in buf_read_u16()
94 static inline int buf_read_be16(uint16_t *value, uint8_t *src, uint16_t src_len,  in buf_read_be16()  argument
100 	ret = buf_read(v16, sizeof(uint16_t), src, src_len, offset);  in buf_read_be16()
106 static inline int buf_read_u32(uint32_t *value, uint8_t *src, uint16_t src_len,  in buf_read_u32()  argument
109 	return buf_read((uint8_t *)value, sizeof(uint32_t), src, src_len, offset);  in buf_read_u32()
112 static inline int buf_read_be32(uint32_t *value, uint8_t *src, uint16_t src_len,  in buf_read_be32()  argument
118 	ret = buf_read(v32, sizeof(uint32_t), src, src_len, offset);  in buf_read_be32()