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