musl/include/sys/procfs.h

#ifndef _SYS_PROCFS_H
#define _SYS_PROCFS_H
#ifdef __cplusplus
extern "C" {
#endif

#include <sys/time.h>
#include <sys/types.h>
#include <sys/user.h>

typedef unsigned long elf_greg_t;
#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
typedef elf_greg_t elf_gregset_t[ELF_NGREG];

#if __WORDSIZE == 32
typedef struct user_fpregs_struct elf_fpregset_t;
typedef struct user_fpxregs_struct elf_fpxregset_t;
#else
typedef struct user_fpregs_struct elf_fpregset_t;
#endif

struct elf_siginfo {
	int si_signo;
	int si_code;
	int si_errno;
};

struct elf_prstatus {
	struct elf_siginfo pr_info;
	short int pr_cursig;
	unsigned long int pr_sigpend;
	unsigned long int pr_sighold;
	pid_t pr_pid;
	pid_t pr_ppid;
	pid_t pr_pgrp;
	pid_t pr_sid;
	struct timeval pr_utime;
	struct timeval pr_stime;
	struct timeval pr_cutime;
	struct timeval pr_cstime;
	elf_gregset_t pr_reg;
	int pr_fpvalid;
};


#define ELF_PRARGSZ 80

struct elf_prpsinfo
	{
	char pr_state;
	char pr_sname;
	char pr_zomb;
	char pr_nice;
	unsigned long int pr_flag;
#if __WORDSIZE == 32
	unsigned short int pr_uid;
	unsigned short int pr_gid;
#else
	unsigned int pr_uid;
	unsigned int pr_gid;
#endif
	int pr_pid, pr_ppid, pr_pgrp, pr_sid;
	char pr_fname[16];
	char pr_psargs[ELF_PRARGSZ];
};


typedef void *psaddr_t;
typedef elf_gregset_t prgregset_t;

typedef elf_fpregset_t prfpregset_t;
typedef elf_fpregset_t fpregset_t;
typedef pid_t lwpid_t;
typedef struct elf_prstatus prstatus_t;
typedef struct elf_prpsinfo prpsinfo_t;




#ifdef __cplusplus
}
#endif
#endif