Function ecs_parse_expr_token 

pub unsafe extern "C" fn ecs_parse_expr_token(
    name: *const c_char,
    expr: *const c_char,
    ptr: *const c_char,
    token: *mut c_char,
) -> *const c_char

Parse expression token. Expression tokens can contain more characters (such as ‘|’) than tokens parsed by the query (term) parser.

@param name The name of the expression (used for debug logs). @param expr The full expression (used for debug logs). @param ptr The pointer to the expression to parse. @param token The buffer to write to (must have size ECS_MAX_TOKEN_SIZE) @return Pointer to the character after the last one read, or NULL if failed.