Hi Friends, I am trying to open a file and store the data into it ,but it encounters error while building my project. Code : /*********************************************************************************************************************** * File Name : r_cg_main.c * Version : Code Generator for RX111 V1.05.01.02 [28 May 2015] * Device(s) : R5F51115AxFM * Tool-Chain : CCRX * Description : This file implements main function. * Creation Date: 16-02-2016 ***********************************************************************************************************************/ /*********************************************************************************************************************** Pragma directive ***********************************************************************************************************************/ /* Start user code for pragma. Do not edit comment generated here */ /* End user code. Do not edit comment generated here */ /*********************************************************************************************************************** Includes ***********************************************************************************************************************/ #include "r_cg_macrodriver.h" #include "r_cg_cgc.h" /* Start user code for include. Do not edit comment generated here */ #include stdio.h /* End user code. Do not edit comment generated here */ #include "r_cg_userdefine.h" /*********************************************************************************************************************** Global variables and functions ***********************************************************************************************************************/ /* Start user code for global. Do not edit comment generated here */ FILE *filepointer; /* End user code. Do not edit comment generated here */ void R_MAIN_UserInit(void); /*********************************************************************************************************************** * Function Name: main * Description : This function implements main function. * Arguments : None * Return Value : None ***********************************************************************************************************************/ void main(void) { R_MAIN_UserInit(); /* Start user code. Do not edit comment generated here */ filepointer=fopen("amit.txt","w"); if(filepointer) { fclose(filepointer); } while (1U) { ; } /* End user code. Do not edit comment generated here */ } /*********************************************************************************************************************** * Function Name: R_MAIN_UserInit * Description : This function adds user code before implementing main function. * Arguments : None * Return Value : None ***********************************************************************************************************************/ void R_MAIN_UserInit(void) { /* Start user code. Do not edit comment generated here */ /* End user code. Do not edit comment generated here */ } /* Start user code for adding. Do not edit comment generated here */ /* End user code. Do not edit comment generated here */ Errors while Building : E0562310:Undefined external symbol "_write" referenced in "fflush" E0562310:Undefined external symbol "_open" referenced in "xfopen" E0562310:Undefined external symbol "_close" referenced in "fclose" Please help me. Thanking in advance
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