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ANSI C program Linux system using the gcc compiler
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<p>Reading from a XXXX in X</p><pre> #include <stdio.h&XX; main() { FILE *XX; char buff[XXX]; fp = XXXXX("/tmp/XXXX.XXX", "r"); fscanf(XX, "%s", XXXX); printf("1 : %s\n", XXXX ); XXXXX(XXXX, XXX, (FILE*)fp); printf("2: %s\n", buff ); XXXXX(buff, XXX, (FILE*)fp); printf("3: %s\n", XXXX ); fclose(XX); }</pre><p><XX></p><p>XXXXXX I/X XXXXXXXXX of C:</p><XXX> size_t XXXXX(XXXX *XXX, XXXXXX size_of_elements, XXXXXX number_of_elements, FILE *XXXXXX); size_t XXXXXX(XXXXX XXXX *ptr, XXXXXX XXXXXXXXXXXXXXXX, size_t XXXXXXXXXXXXXXXXXX, XXXX *XXXXXX);</XXX><p><XX></p><p><XX></p><p>XXXXX XXXXXXXX in C if the XXXX can't XX XXXXXX:</p><XXX> #include <XXXXX.h> #include <errno.h> #XXXXXXX &XX;string.h> extern XXX errno ; int main () { XXXX * pf; int XXXXXX; XX = fopen ("unexist.txt", "rb"); if (pf == NULL) { XXXXXX = errno; fprintf(stderr, "Value of XXXXX: %d\n", errno); perror("XXXXX printed XX XXXXXX"); fprintf(stderr, "Error XXXXXXX file: %s\n", XXXXXXXX( XXXXXX )); } else { fclose (pf); } return 0; }</pre><p><br></p>">
