1e41f4b71Sopenharmony_ci# Init 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## Overview 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_ciProvides the API for querying the support for a SystemCapability (SysCap), which refers to a standalone feature in the operating system. Different devices support different SysCap sets. Each SysCap corresponds to one or more APIs. 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ciThe result is returned by checking the SysCap configuration file. 9e41f4b71Sopenharmony_ci 10e41f4b71Sopenharmony_ci**Since** 11e41f4b71Sopenharmony_ci 12e41f4b71Sopenharmony_ci8 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci 15e41f4b71Sopenharmony_ci## Summary 16e41f4b71Sopenharmony_ci 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci### Files 19e41f4b71Sopenharmony_ci 20e41f4b71Sopenharmony_ci| Name| Description| 21e41f4b71Sopenharmony_ci| -------- | -------- | 22e41f4b71Sopenharmony_ci| [syscap_ndk.h](syscap__ndk_8h.md) | Provides the API for querying whether a SysCap is supported.<br>**File to include**: <syscap_ndk.h><br>**Library**: libdeviceinfo_ndk.z.so| 23e41f4b71Sopenharmony_ci 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci### Functions 26e41f4b71Sopenharmony_ci 27e41f4b71Sopenharmony_ci| Name| Description| 28e41f4b71Sopenharmony_ci| -------- | -------- | 29e41f4b71Sopenharmony_ci| [canIUse](#caniuse) (const char \*cap) | Checks whether a SysCap is supported. | 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci 32e41f4b71Sopenharmony_ci## Function Description 33e41f4b71Sopenharmony_ci 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci### canIUse() 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci 38e41f4b71Sopenharmony_ci``` 39e41f4b71Sopenharmony_cibool canIUse (const char * cap) 40e41f4b71Sopenharmony_ci``` 41e41f4b71Sopenharmony_ci 42e41f4b71Sopenharmony_ci**Description** 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ciChecks whether a SysCap is supported. 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci**Parameters** 47e41f4b71Sopenharmony_ci 48e41f4b71Sopenharmony_ci| Name| Description| 49e41f4b71Sopenharmony_ci| -------- | -------- | 50e41f4b71Sopenharmony_ci| cap | Pointer to the SysCap to check. | 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ci**Returns** 53e41f4b71Sopenharmony_ci 54e41f4b71Sopenharmony_ciReturns **true** if the SysCap is supported; returns **false** otherwise. 55