<\/p>\n\n\n\n
\n$ls\nascii-table.c avg.txt case-changer.c env-var-set.c functions_ver1.c mph-to-kph.c output.c\nascii-table.md avg-with-garbage.txt env-var.c exist.sh functions_ver2.c mph-to-kph_v2.c\n$gcc output.c -o output\n$.\/output \nA regular message on stdout\nAlso a regular message on stdout\nAn error message on stderr\nA regular message, printed to fd 1\nAn error message, printed to fd 2\n$cat output.c \n#define _POSIX_C_SOURCE 200809L\n#include <stdio.h>\n\nint main(void)\n{\n printf(\"A regular message on stdout\\n\");\n\n \/* Using streams with fprintf() *\/\n fprintf(stdout, \"Also a regular message on \" \n \"stdout\\n\");\n fprintf(stderr, \"An error message on stderr\\n\");\n\n \/* Using file descriptors with dprintf().\n * This requires _POSIX_C_SOURCE 200809L \n * (man 3 dprintf)*\/\n dprintf(1, \"A regular message, printed to \"\n \"fd 1\\n\");\n dprintf(2, \"An error message, printed to \"\n \"fd 2\\n\");\n return 0;\n}\n$\n<\/pre>\n","protected":false},"excerpt":{"rendered":"$ls ascii-table.c avg.txt case-changer.c env-var-set.c functions_ver1.c mph-to-kph.c output.c ascii-table.md avg-with-garbage.txt env-var.c exist.sh functions_ver2.c mph-to-kph_v2.c $gcc output.c -o output $.\/output A regular message on stdout Also a regular message on stdout An error message on stderr A regular message, printed to fd 1 An error message, printed to fd 2 $cat output.c #define _POSIX_C_SOURCE 200809L #include … <\/p>\n