bson_append_array_begin (3) Linux Manual Page
bson_append_array_begin() – The bson_append_array_begin() function shall begin appending an array field to bson. This allows for incrementally building a sub-array. Doing so will generally yield better performance as you will serialize to a single buffer. When done building the sub-array, the caller MUST call bson_append_array_end().
Synopsis
bool
bson_append_array_begin (bson_t *bson,
const char *key,
int key_length,
bson_t *child);
Parameters
- bson
- A bson_t \&.
- key
- A string containing the name for the key.
- key_length
- The length of key or -1 to call strlen(3) \&.
- child
- A bson_t \&.