# `loader_shlibfunc_t`structure It is defined in include file [ common/util/load_module_shlib.h ](https://gitlab.eurecom.fr/oai/openairinterface5g/blob/develop/common/utils/load_module_shlib.h#L38). This structure is used to list the symbols that should be searched by the loader when calling the `load_module_shlib` function. | Fields | Description | I/O | |:-----------|:------------------------------------------------------------------|----:| | `fname` | symbol name, is passed to the [`dlsym`](http://man7.org/linux/man-pages/man3/dlsym.3.html) system call performed by the loader to get a pointer to the symbol | I | | `fptr` | pointer to the symbol name, set by the loader. `fptr` is defined as a `int (*fptr)(void)` function type | O | [loader home page](../../loader.md) [loader developer home page](../devusage.md)