i cannot compile the c files in the terminal please help

iam new in Linux system
i have c file i want to compile it in the terminal so
i typed gcc mico.c -o mico
i get this message
mico.c:21:19: error: stdio.h: No such file or directory
mico.c:22:20: error: stdlib.h: No such file or directory
mico.c:23:20: error: string.h: No such file or directory
mico.c:24:20: error: unistd.h: No such file or directory
mico.c:25:19: error: netdb.h: No such file or directory
mico.c:144: error: expected declaration specifiers or ‘...’ before ‘u_char’
mico.c:145: error: expected ‘)’ before ‘*’ token
mico.c:146: error: expected ‘)’ before ‘*’ token
mico.c: In function ‘shell’:
mico.c:153: error: ‘fd_set’ undeclared (first use in this function)
mico.c:153: error: (Each undeclared identifier is reported only once
mico.c:153: error: for each function it appears in.)
mico.c:153: error: expected ‘;’ before ‘rfds’
mico.c:156: error: ‘rfds’ undeclared (first use in this function)
mico.c:158: error: ‘NULL’ undeclared (first use in this function)
mico.c:162: warning: incompatible implicit declaration of built-in function ‘printf’
mico.c:163: warning: incompatible implicit declaration of built-in function ‘exit’
mico.c:163: error: ‘EXIT_FAILURE’ undeclared (first use in this function)
mico.c:170: warning: incompatible implicit declaration of built-in function ‘printf’
mico.c:171: warning: incompatible implicit declaration of built-in function ‘exit’
mico.c:173: warning: incompatible implicit declaration of built-in function ‘printf’
mico.c:174: warning: incompatible implicit declaration of built-in function ‘exit’
mico.c: At top level:
mico.c:181: error: expected declaration specifiers or ‘...’ before ‘u_char’
mico.c: In function ‘sock_send’:
mico.c:184: error: ‘src’ undeclared (first use in this function)
mico.c: At top level:
mico.c:188: error: expected ‘)’ before ‘*’ token
mico.c:217: error: expected ‘)’ before ‘*’ token
mico.c: In function ‘main’:
mico.c:235: warning: incompatible implicit declaration of built-in function ‘printf’
mico.c:240: warning: incompatible implicit declaration of built-in function ‘fprintf’
mico.c:240: error: ‘stderr’ undeclared (first use in this function)
mico.c:241: warning: incompatible implicit declaration of built-in function ‘exit’
mico.c:241: error: ‘EXIT_SUCCESS’ undeclared (first use in this function)

plz help me with this proplem