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ANSI C program Linux system using the gcc compiler
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<p>Reading XXXX a XXXX in X</p><XXX> #XXXXXXX &XX;XXXXX.h&XX; main() { FILE *XX; XXXX XXXX[255]; fp = XXXXX("/XXX/XXXX.XXX", "r"); XXXXXX(XX, "%s", XXXX); printf("1 : %s\n", XXXX ); fgets(buff, 255, (FILE*)fp); printf("2: %s\n", XXXX ); XXXXX(XXXX, XXX, (XXXX*)XX); XXXXXX("3: %s\n", XXXX ); fclose(XX); }</pre><p><XX></p><p>XXXXXX I/O XXXXXXXXX of X:</p><XXX> size_t fread(void *ptr, XXXXXX size_of_elements, XXXXXX XXXXXXXXXXXXXXXXXX, FILE *a_file); size_t fwrite(XXXXX void *ptr, XXXXXX size_of_elements, XXXXXX XXXXXXXXXXXXXXXXXX, XXXX *XXXXXX);</XXX><p><br></p><p><XX></p><p>XXXXX handling in X XX XXX file XXX't XX opened:</p><XXX> #include <XXXXX.h> #include &XX;XXXXX.h> #include &XX;string.h&XX; XXXXXX int XXXXX ; XXX main () { FILE * pf; XXX errnum; XX = XXXXX ("XXXXXXX.XXX", "XX"); if (XX == NULL) { errnum = XXXXX; fprintf(XXXXXX, "Value of XXXXX: %d\n", XXXXX); XXXXXX("Error printed by XXXXXX"); fprintf(XXXXXX, "Error XXXXXXX file: %s\n", strerror( XXXXXX )); } XXXX { fclose (XX); } return 0; }</pre><p><br></p>">
